Beckett Mariner

Beckett Mariner is the main protagonist of the Paramount+ animated series and a guest character in . 
She was a female Human Starfleet officer who lived during the late 24th century. Both of her parents served in positions of command in Starfleet: her mother Captain Carol Freeman, attempted to keep a close eye on her activities aboard the USS Cerritos, while her father, Alonzo Freeman, was a Starfleet admiral.
An Ensign and later Junior Lieutenant, Mariner is known to be a real hothead who acts more on instinct than respect for Starfleet rules, despite having great potential as a Starfleet officer buried within her. She would eventually recognize that all her years of bad behavior and consistent insubordination came from a deep insecurity brought on by the loss of a dear friend and the realization that Starfleet is not what she thought it was.
She is voiced by Tawny Newsome.
==History==
Beckett Mariner attended the Starfleet Academy in her youth and knew a little about Nova Squadron while being a good friend of the Bajoran Sito Jaxa whom she idolized to the point of trying to follow in her footsteps after Sito graduated before her. Around the time Mariner finally graduated, she learned of Sito's death during an undercover mission and subsequently, the Dominion War had broken out. Both events would leave Mariner no longer seeing Starfleet the way she once believed.
Mariner prided her ability to think for herself in critical situations, as she had served aboard five different Starfleet vessels, including the USS Quito, and had "seen stuff". There was a time when she was interested in advancing in rank, though her views regarding promotion and the importance of the senior staff had become somewhat jaded by 2380. (LD: "Second Contact", "Cupid's Errant Arrow")
On one harrowing occasion, she was trapped in a sentient cave for weeks, describing it as "a dark place that knows things." She also noted that she had almost been decapitated by a singing crystal, and held in a Klingon prison where she had to fight a yeti for her shoes merely because the yeti wanted to be antagonistic. (LD: "Envoys")
She kept additional battle scars from a fight with a tentacled man that stabbed her with a barnacle blade in the chest, a fight on Magus III that left a scar on her right shoulder, a scar on her left bicep from Nanibia Prime, and a scar on her hip from a fight in Scottsdale. (LD: "Temporal Edict")
At some point, she befriended and blood bonded with General K'orin. The two had worked together on Jaxxa Prime, Vulcan, and Earth. Years later, she recalled that she and K'orin had done some "off-the-books grey-ops stuff back in the day." (LD: "Envoys")
In 2381, Mariner overhears a conversation implying that her mother will have a promotion that will result in her transferring from Cerritos, something that Mariner takes both badly and as a betrayal since she thought their mother-daughter relationship was improving. While Mariner would come to seriously argue with his mother over this while the crew of the Cerritos tried to save the damaged USS Archimedes from crashing on Lapeeria, his friends convinced him to reconcile with Freeman shortly before that Archimedes is finally saved. Unfortunately Freeman was arrested by Starfleet Security on charges of blowing up the Pakled Planet, much to Mariner's dismay.
On temporary leave during Freeman's trial, a Mariner who doesn't trust the Starfleet system to do what's right recruits her friends in a rogue attempt to exonerate her mother by stealing the Cerritos, only for it to end in fiasco following Freeman being cleared of all charges. Tired of her daughter's rebellious behavior once too often, Freeman places her under the supervision of Commander Jack Ransom. During the weeks following the Cerritos' return to service, Mariner endured Ransom's sometimes excessive authority while trying to build a romantic relationship with her former rival, Jennifer Sh'reyan.
On the planet Krulmuth-B, Mariner, Boimler, Rutherford and Tendi investigated a mysterious portal discovered by Christopher Pike in 2259 and Boimler found himself sucked into it. Mariner jumps without hesitation in turn and collides with a Boimler who was going to make the opposite journey. Recovering herself, she realizes from the presence of Pike, Spock and La'an that she had just traveled in time but her arrival exhausted the energy of the portal, blocking Mariner and Boimler in 2259. Taking advantage of the situation, Mariner meets Nyota Uhura for whom she has deep admiration. Much like Boimler previously, she makes Una Chin-Riley uncomfortable about her future image but later makes up for it by revealing that Una is the face of Starfleet recruiting in their time. Eventually with the help of the Enterprise crew and the Orions, Mariner and Boimler are able to use the time portal to return to the 24th century.
During a visit from journalist Victoria Nuzé of Federation News Network, Mariner secretly participates in an interview, confessing many good things about the crew and life aboard the Cerritos despite the recent negative setbacks she has experienced. Unfortunately, the bad reputation that Nuzé gave the Cerritos following all the glimpses led the majority of the crew to blame Mariner for this while ultimately being kicked off the ship by Freeman at Starbase 80 while also being disowned by her own mother and Jennifer rejecting her. Freeman would later discover to her horror that Mariner had said nothing wrong and that it was all the fault of the interviewing officers who stupidly and without realizing it blurted out every single thing about the Cerritos. Wanting to right her terrible mistake, Freeman contacts Starbase 80, only to learn that Mariner has resigned from Starfleet.
Mariner joins Petra Aberdeen in the Independent Archaeologists Guild, living a life of adventure and research for ancient artifacts, yet missing a bit of her former life in Starfleet. Upon learning that the fleet's Texas-class ships had gone rogue due to their faulty AI and were beginning to attack the Cerritos, Mariner came to the aid of his former crew with the help of other California ships and finally destroyed the Texas vessels. Afterwards, Mariner is welcomed with open arms aboard the Cerritos, reconciling with her mother and reconnecting with her three best friends who never let her down. 
Some time later, Mariner, Boimler and Rutherford helped bring the USS Voyager to Earth to become a museum, but the situation escalated when a dormant Tak Takian parasite awoke after having been on the ship for years. years and it's multiplied. Things got worse with the arrival of the holograms The Clown and Doctor Chaotica who quickly took possession of the ship and Mariner found herself trapped in the viscous substance of the Tak Takian. A successfully hiding Boimler attempts to free Mariner but to no avail, so Mariner encourages Boimler to save the day on his own despite his doubts about his judgment since she was fired from the Cerritos and he did nothing to help her. Eventually, Boimler and Rutherford neutralized the holograms by screwing up Voyager's systems with cheese. At the end of the day, Boimler is promoted to Lieutenant Junior and against all odds, Mariner is also promoted to the same rank. Dismayed, she goes to see Ransom to refuse her promotion but Ransom reveals that he knows that she helped Boimler regain confidence in himself and that that's why she was promoted, especially since he didn't doesn't trust the judgment of the former "small-minded" commanders that Mariner had in her career. 
==Personality==
Mariner is a confident, outspoken, rebellious, reckless, arrogant and energetic woman. She doesn't like following the rules, judging them as bad and preferring to act according to her common sense, which most often gets her into big trouble. She sometimes exhibits obnoxious behavior, saying bad words when she is frustrated and most often gets angry when someone disagrees with her. Despite her negative traits, Mariner is capable of realizing her own mistakes and then trying to repair them, as when she crumbled her friendly relationship with Tendi by dint of making cliché remarks about the Orion species and apologizing for it.
Deep down, Mariner suffers from a deep insecurity born from the loss of Sito Jaxa and the sudden Dominion War that made her see a bad side of being a Starfleet Captain, equating it with sending people towards death. She then forced herself to remain an Ensign in order to simply explore and solve mysteries as she believed Starfleet was meant to be. 
==Skills==
Mariner was highly proficient at hand-to-hand combat, and was a master of anbo-jyutsu. She was well-practiced at martial arts because it could be done alone and she often lacked friends at her postings. Her physical condition is optimal, allowing him to easily perforate Commander Ransom's teeth and hurt his face without much effort as well as being able to fight on equal terms against a Klingon, such as Ma'ah for example, despite their difference in strength.
==Quotes ==
==Trivia== 
*In developing the characters for Lower Decks, Mike McMahan described all four leads in an 10 August 2020 TrekMovie.com interview as a combination of other Star Trek characters, parts of himself, and people in his life.
*Tawny Newsome also portrayed Beckett Mariner in live-action in Star Trek: Strange New Worlds.
*Beckett does not have the same last name as her parents.
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