Ezri Dax

Ezri Dax was a joined Trill consisting of the Dax symbiont and the ninth host of the symbiont, formerly known as Ezri Tigan. She served as counselor aboard Deep Space 9, beginning in 2375. She was joined to Dax shortly after the death of its previous host, Jadzia. ()
== Origins ==
Dax, formerly Ezri Tigan, was born on New Sydney in the Sappora system. Her mother, Yanas Tigan, was a successful mining magnate on Sappora VII, and she and Ezri disagreed on many occasions. Her father was often absent – Ezri noted it was because he couldn't bear to be around his wife. Ezri's closest family member was her younger brother, Norvo (who gave her the nickname Zee), while her older brother, Janel, was someone whom she looked up to. Ezri dreamed constantly of ways to escape her family, and eventually managed to do so by joining Starfleet. ()
== Joining with Dax ==
In 2375, Ezri was an ensign serving as an assistant ship's counselor aboard the when it was dispatched to Deep Space 9 on a medical emergency – to carry the symbiont back to following the death of its previous host, Jadzia Dax. En route, the symbiont took a turn for the worse, and, as the only Trill aboard, though one who had decided against joining, Ezri had little choice but to undergo the joining procedure, with only a fifteen-minute lecture from the ship's non-Trill surgeon to prepare her.
Following the joining, the Destiny continued onward to Trill, only now to deliver Ezri so she could meet with members of the Symbiosis Commission's Evaluation Board, who gave her counseling on how to deal with her new memories, but they were unable to help her further. With her friends and family having difficulty adjusting to her changed personality, and her own confusions about who she really was, Ezri took a leave of absence.
Seeking some sort of link to the person she was now, Ezri sought out Benjamin Sisko, a friend of Dax's previous two hosts, to see if he could help her through the difficult process of integrating eight lifetimes of experience. At the time, Sisko was searching for the Orb of the Emissary, and Ezri agreed to accompany him, Jake, and Joseph Sisko, to to find it, noting "it'll be just like old times... except, different". It was while traveling there that Ezri discovered she now suffered from space sickness – warp drive made her 'a little queasy'. Another effect of the joining was a change of dexterity, from right hand to left hand. Despite her rapid mood swings and general insecurity, Ezri was able to help Sisko discover the Orb, and restore the Prophets to the Celestial Temple. ()
== On Deep Space 9 ==
At that point, Sisko returned to Deep Space 9, bringing Ezri along with him. She found Jadzia's former colleagues still grieving for her, and was prepared to return to her duties aboard the Destiny, hoping to reduce their pain in seeing her. However, Captain Sisko asked her to remain aboard to work as the station's counselor, with a field promotion to lieutenant junior grade, and waived her remaining training. Her first assignment was to attempt to alleviate Elim Garak's claustrophobia. But, when the sessions broke down, and Garak turned on her, the emotional anguish caused her to decide to resign her commission. She quickly changed her mind when she was finally able to diagnose the root of Garak's attacks.
Although many of Jadzia's friends and colleagues quickly accepted the presence of a new Dax in their lives, her relationship with Jadzia's widower, Worf, did not go quite as smoothly. Initially, Worf wanted nothing to do with her, considering her presence an affront to his wife's memory. However, he soon realized that his actions were more of an affront, and relations between them began to warm. ()
Ezri played in the Niners baseball team against the Vulcan team, the Logicians, from the as an outfield player in center field. During practice, she damaged her knee trying to make a catch, but recovered enough to play in the game, making an impressive catch using some of Emony's gymnastic skills (Julian Bashir dubbing it a "Fancy Dan"), and taking over from Miles O'Brien as first base coach following Sisko's ejection from the game. ()
Following Dr. Bashir's treatment of Sarina Douglas, Ezri helped her settle in, and supported Bashir when the treatment appeared to have broken down. Sarina noted of Ezri: "The day she realizes that she's more than just the sum of her parts, she's really going to be something." ()
When Kor visited the station, seeking a command in the war, Ezri once again found herself having difficulty separating herself from Dax's previous hosts, wanting to go off with him, fighting side by side. Quark overheard part of her conversation with Kira Nerys over the subject, and misinterpreted it, believing she wanted to pursue a relationship with Worf again. When he confronted her over his objection to such a move, Ezri set the record straight, but considered it one of the kindest and dearest things she'd ever heard. ()
Quark was very taken with the young Trill, as he had been with Jadzia, and continued to pursue her for many months.
Ezri accompanied the when it resupplied the Starfleet position at AR-558 in the Chin'toka system. While there, she bonded with one of the engineers there, , and helped come up with the method to expose the "Houdini" subspace mines that littered the planet. When the Defiant was forced to break orbit, Ezri remained on the surface. It was her first experience of conditions on the front lines, and in the brutal Jem'Hadar assault that followed, she acquitted herself well. ()
Following the events at AR-558, Ezri attempted to assist Nog in dealing with the trauma of losing his leg in the attack. However, Nog's post-traumatic stress caused him to seek comfort in the Bashir 62 holoprogram, rejecting other's efforts to help. Despite this, Ezri continued to support him, advising his friends and colleagues to give him time, and giving Vic Fontaine hints on how to push Nog back towards reality. ()
Shortly thereafter, Ezri returned home to Sappora VII for the first time in three years, when O'Brien disappeared on New Sydney while searching for Morica Bilby. She found it difficult to reintegrate herself into her family, and when it was revealed that Norvo had been responsible for Morica's death, blamed herself for not being there for him to help her brother sort himself out before it happened. ()
Ezri got on very well with Hector Ilario, another new officer aboard the station, and, following his murder, she decided to investigate on her own. However, lacking in knowledge of criminalistics, she chose instead to confront Joran, Dax's sixth, and one of the shortest-living living, host. Joran's presence in Dax persuaded Ezri to perform the Rite of Emergence, so that he could direct her in finding the killer. The Joran aspect attempted to turn Ezri towards his own mindset, but she was able to resist to some extent, and was relieved to be able to force Joran's memories deep within her subconscious once the killer was caught. ()
When Vic's program triggered a secretly-embedded jack-in-the-box subroutine, Ezri helped in the plan to restore the scenario to normal, working herself into the program as a waitress. ()
Not long after, Ezri encountered Captain Boday, the Gallamite, who had dated Jadzia for a short time. The two shared dinner, something Bashir and Worf disapproved of. ()
Following the destruction of the , and the disappearance of Worf near the Badlands, Ezri found herself once again struggling to separate herself from the memories of Dax's previous hosts. Seemingly driven by her memories of Jadzia and Worf's relationship, Ezri appropriated a runabout, and set off in search of his escape pod, disobeying direct orders from Captain Sisko in the process. Worf was recovered safely; however, when they attempted to return to Federation territory, the runabout was attacked by two Jem'Hadar fighters, and destroyed in the atmosphere of Goralis III. While awaiting rescue, the close quarters and general air of tension between Worf and Ezri led to them sleeping together. This new development in their relationship was cut short, however, when a few hours later, the two were captured by a group of Breen, and taken to a vessel in orbit. ()
During their captivity, Ezri soon realized that Worf was seeking a relationship with her in an attempt to recapture that which he had with Jadzia. Both were subjected to intense mental interrogation, torture and mistreatment during their captivity aboard the Breen ship. When Ezri was returned to their cell following one session, she unknowingly expressed feelings for Julian Bashir, something that surprised even her. However, this admission soured her relationship with Worf yet again – albeit temporarily. The pair were then transported aboard a Jem'Hadar fighter, as negotiations between the Dominion and the Breen Confederacy got underway. ()
Ezri and Worf were taken to Cardassia Prime, where it was intended that they would face trial and execution for war crimes soon after. Knowing how little time they had left, just before they were to be executed, the two were able to reach a final reconciliation over their previous relationship and come to a new understanding – as friends. However, they were able to escape back to Deep Space 9 with the unexpected assistance of Damar, who, having become disillusioned with the Dominion and Cardassia's waning influence in the quadrant, gunned down their Jem'Hadar executioners and told them how to escape Dominion territory, and to let Starfleet know that they had an ally on Cardassia. ()
Ezri and Worf returned to Deep Space 9 as news filtered in of the attack on Earth. Settling back into life on the station, Ezri found it difficult to reconcile her newly-discovered feelings for Bashir with her friendship with the doctor and sought support from Worf as to whether she should disclose her feelings to Bashir. She began avoiding Julian, which led to him confronting her over it. Ezri was preparing to tell Bashir when he was called away. The situation was set aside when the Breen launched a counterattack at the Chin'toka system, leading to the Second Battle of Chin'toka, at which Ezri manned the communications console aboard the Defiant. When the vessel was disabled by the Breen energy-dampening weapon, Ezri safely evacuated along with the rest of the ship's complement. ()
Following the Defiant crew's safe return, Bashir once again attempted to discover the reason behind Ezri's avoidance, and, once again, Ezri's attempt to disclose her feelings was cut short, this time by Julian's discovery that Odo had become infected with the morphogenic virus affecting the Founders. The confusion led Bashir to believe that Ezri was seeking to restart her relationship with Worf. ()
Ezri later helped Worf determine the correct course of action to take following Gowron's disastrous attempt to take control of the Klingon defense strategy. Considering it a small piece of a larger puzzle, she noted that the Klingon Empire as a whole had become corrupted, and felt that the society was in deep denial about the true nature of their leaders. She discovered that both Worf and Martok had decided to make her a member of the House of Martok – Martok considered her "an honorable woman and a worthy successor to Jadzia". Ezri thought it was very sweet of him. ()
 
At some point during the year, Ezri had loaned Julian a copy of A Tale of Two Cities that had belonged to Jadzia. It was this book that enabled him to realize that he and Miles O'Brien were trapped inside Luther Sloan's mind. Ezri was the one who discovered the two in an empty science lab after O'Brien missed an appointment to fix her sonic shower. ()
The awkwardness between Ezri and Julian continued, now with each avoiding the other. Finally, they confronted each other and admitted their feelings. Both agreed that their friendship was too important to risk jeopardizing it and decided to remain friends. However, that idea was quickly abandoned, and the two shared their first kiss in a turbolift heading to ops, much to the chagrin of Worf and O'Brien. ()
Ezri and Bashir spent their first night together the day before the new departed to lead the Allied invasion of Cardassia. The two made a pact to come back alive. Ezri once again manned the communications console during the Battle of Cardassia. Following the successful conclusion of the battle, and the end of the war, Ezri encouraged Worf to accept Chancellor Martok's offer of a position as Federation Ambassador to the Empire. Ezri remained on Deep Space 9 following the war. ()
== Appendices ==
=== Appearances ===
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=== Background information ===
Ezri Dax was played by Nicole de Boer.
While Ira Steven Behr and Ronald D. Moore were creating the character of Ezri Dax, they presumed she would be a regular character, but some initial uncertainty was involved. "I've got a pretty good idea," commented Behr, "but it could always change, casting could always change." Moore stated, "We haven't really crystallized it yet. It's safe to say we are virtually certain it's going to be a woman." (Cinefantastique, Vol. 30, No. 9/10, p. 51)
At first, there was some speculation that the new Dax host might meet Jadzia Dax, similar to how Jadzia meets Curzon Dax in . However, this turned out not to be case for Ezri. (Cinefantastique, Vol. 30, No. 9/10, p. 50)
The writing staff put a lot of effort into trying to create Ezri Dax as an interesting character. Ron Moore has stated, "It felt like the best way to go was to go young, to go with a young, fresh-out-of-the-Academy kid, who is now an old soul, and to have that host not be so adept at it. This is a person who wasn't quite ready for this whole honor that has been bestowed on them, and is having adjustment problems." ("Special Crew Dossier: Ezri Dax", DS9 Season 7 DVD special features)
The casting choice of Nicole de Boer felt immediately right to Ira Steven Behr. He has commented, "I can say that when Nikky walked in to audition, she was exactly what I had in mind, the way she looked, the way she acted, just the whole package was exactly what I saw Ezri Dax to be." ("Special Crew Dossier: Ezri Dax", DS9 Season 7 DVD special features)
The newly created character brought a fresh streak to in its final season. Ira Behr has pointed out, "It's very tough in the last year, because a) you're thinking so much about the end of the series, and b) you're so busy worrying about, 'Well, we don't want to repeat ourselves.' So to have this new character suddenly come on, who's not a new character, because she's still Dax, was just such a wonderful thing for us, because it was like, 'Oh, we know what to do with that. We could give you twenty stories with that.' We had to cut back on those stories because we didn't want to have the cast up in arms about just doing Ezri Dax stories. Because she brought so much baggage with her, from Jadzia, it was like, 'Oh, we can play in that pond for weeks." ("Special Crew Dossier: Ezri Dax", DS9 Season 7 DVD special features)
Michael Piller thought the introduction and integration of Ezri to the series was highly successful. He commented, "I wish I had done that in the . I'm not saying that Jadzia wasn't successful, but it took a long time to make Dax successful. She became a kind of dry wit. As Ezri, she had issues and conflicts. Instead of having her character change off camera, she was thrown into chaos on camera. It was a great twist." ("DS9 Goes Out Strong and Defiant to the End", )
Nicole de Boer has approved of the role Ezri played as a counselor. "It's ironic to have this person being a counselor when she's so messed up herself," de Boer remarked. "It makes her a good counselor, actually, in some ways, because she can relate really well to people. She has a different way of doing it; it's not Deanna Troi. It's not that type of counseling, but it's different, it's good and it works for Ezri!" ("Meet Ezri Dax: Nicole de Boer", )
In the original ending of , Ezri orders bloodwine (which she hates) in Quark's, to toast Martok. When Ezri goes to toast Worf's brief time as the Klingon leader, Ezri asks how that felt. Worf tells her that he wished his father, Mogh, could know he was Chancellor, if only for a moment. Ezri tells Worf that his father knows, as does Jadzia. The two then toast Chancellor Worf. (Star Trek: Deep Space Nine Companion - A Series Guide and Script Library)
In the theoretical eighth season story pitch in the DS9 documentary What We Left Behind, Ezri is captain of the USS Emmett Till and is married to Dr. Bashir. She is depicted as wearing the future uniform which first appeared in , as well as in and .
Prior to the introduction of Ezri Dax, Star Trek author Peter David once joked to his actor friend Bill Mumy that he could perhaps play the ninth host of the Trill symbiont. Mumy rejected that notion when it was pointed out to him that doing so might mean he would have to play the new character as being married to Worf. 
Ezri Dax was the only main cast member from the four Star Trek series in existence during the Playmates license not to receive an action figure from the company. Diamond Select Toys released an Ezri figure in late 2007.
Ezri is one of only two main characters in the spin-offs of Star Trek made from 1987 to 2005 (TNG-ENT) to not have appeared as a holographic duplicate. The other is Jake Sisko.
=== Apocrypha ===
In the of novels, Ezri begins to integrate her past lives into her current personality, prompting her to change to a career in command, changing her uniform department color to red. This process of integration led to much confusion and frustration in her relationship with Dr. Bashir, which eventually dissolved in Unjoined. In Mission Gamma she is assigned as executive officer of the during a historic post-war mission of exploration in the Gamma Quadrant.
As of the novel series Star Trek: Destiny, Ezri Dax had been promoted to captain – albeit due to the deaths of her previous senior officers during a recent battle – and served as commanding officer of the Federation starship USS Aventine. In Destiny, Dax worked with Jean-Luc Picard and William T. Riker to save the Federation from the Borg, during which Worf – now first officer of the – assured her that her new captaincy did honor to Jadzia's memory, despite Ezri's initial concerns that Worf would resent her promotion over him, particularly since his lack of a captaincy could be attributed to his decision to save Jadzia's life over completing a key mission. Dax also appears in the Star Trek: Typhon Pact novels Zero Sum Game and Brinkmanship and the Star Trek: The Fall novels Revelation and Dust, A Ceremony of Losses, and The Poisoned Chalice. Ezri's next appearance was in the novel Takedown, where the Aventine was enlisted by now-Admiral Riker as part of a Cytherian plot.
In Moments Asunder, the first novel of the Star Trek: Coda trilogy, the First Splinter Timeline version of Ezri Dax was exposed to temporal energies that killed not only the Ezri Tigan host, but also the .
Nicole de Boer approved of the storyline of Dax's promotion to captain. She commented: "Just the fact she got to captain – I mean, that is pretty cool – and it does make sense for Ezri because she was on that sort of trajectory. She was growing. I would have liked to have had a little longer on the show to become even more confident. What would be cool is if we did another show and you did see me walk through the doors with wonderful confidence because she was so lost before. And they [the other characters] would be like, 'Whoa! That’s Ezri! She’s really grown a lot.' But then we could also see how those people inside her have manifested in interesting ways now that she’s really grasped how to do it. That would be really fun just to explore all that stuff but with more confidence than I could at the time because it was brand-new for her." 
In the background story for Star Trek Online, Ezri is retired from Starfleet by the year 2401 when she objects to Federation inaction in the face of proven Alpha Quadrant infiltration by Species 8472. In the "Victory is Life" expansion, Dr. Bashir – having also retired from Starfleet, to a private practice on Trill – mentions that he was asked to return to Starfleet by Kai Kira and Captain Dax, presumably referring to Ezri. He also mentions being married to the captain of the Aventine, also implied to mean Ezri. The STO fiction blog "Spores", which links to the "Age of Discovery" expansion, confirms that Ezri is the Captain Dax that Bashir is referring to, and that she is the Captain of the Aventine. Nicole de Boer made her STO debut as Ezri in January 2024, featuring in the episode "Scorpion's Abyss". Teamed with the player character, Captain Harry Kim, and the Lukari admiral Kuumaarke, Ezri leads a task force into fluidic space to seal a vortex being used by the mirror universe's Borg Kingdom.
In "What We Left Behind", the writers of Deep Space Nine imagined now Captain Dax and Bashir having married and them both serving aboard the and assigned to the Gamma Quadrant.
=== External links ===
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