Danar Danar was a Cardassian military officer serving during the late - 24th century . By the year 2369 , he had achieved the rank of gul and served as commander of the warship " Aldara " . Later that year , Danar was ordered to apprehend the Bajoran Kohn - Ma terrorist Tahna Los , who he pursued to Deep Space 9 . Danar demanded that Commander Sisko hand over Tahna to him , but Sisko denied his request to consider Tahna ' s application for political asylum . In order to speak with Tahna in private , Sisko ordered Operations Chief Miles O ' Brien to put Danar and his ship through lengthy " docking regulations " , much to Danar ' s frustration . After Sisko had granted Tahna ' s request for asylum , an angry Danar left Deep Space 9 for Cardassian space , however , he was later contacted by Sisko for help in apprehending the , which Tahna had hijacked and equipped with a bilitrium - based explosive device hoping it would destroy the Bajoran wormhole . Danar ordered his ship to intercept the runabout but not before trying to tell Sisko he was right about Tahna . ( ) Appendices . Background information . Danar was played by veteran " Star Trek " actor Vaughn Armstrong in his second of many appearances . Armstrong later went on to play another Cardassian , Seskal , in the seventh season episodes and . Armstrong recalled playing his Cardassian roles in a 2002 interview ; " " " One of the nice things is that you get to put on all that makeup , and suddenly you have a Cardassian neck , for instance , that looks like it ' s been straining with tension for fifty million years . " [ . . . ] " That gives you some idea where they ' re coming from . I tend to start with the Human behind the mask , then allow the mask to take its effect . " " Apocrypha . In the Pocket DS9 novel " Fearful Symmetry " , the Obsidian Order discovers that Danar bears a resemblance to several Human s , Klingon s , and Romulan s and considers him a candidate to undergo surgical operations with the aim of making him an operative . Danar refuses , but Corbin Entek considers him , and other Guls , to lack the subtlety required for Obsidian Order operations anyway . This is likely an in - joke , referring to the many roles played by Vaughn Armstrong . He also appears in the novel " The Big Game " , set in 2370 , when he returns to the station after it is believed some Bajoran factions have been attacking Cardassian ships . Danar is also mentioned in the video game " Dominion Wars " , in which he can be selected as a Cardassian ship commander . The game also notes that after the incident with Tahna Los , Danar was reported by Doctor Julian Bashir as a typical xenophobic member of the Cardassian military . It also makes reference to a Klingon Imperial Intelligence record that states he served with distinction during the Klingon - Cardassian War and it is also known that he was a strong supporter of Cardassia ' s alliance with the Dominion . Despite his xenophobia , the game states he works well with the Jem ' Hadar and during the Dominion War it was believed he was assigned to one of the reactivated " Tonga " - class blockade runners . The " " refers to Danar as an " irascible gul " . It also notes he was a fan of vole fights and had engineering , navigation and astrophysics experience .