Star Trek Deep Space Nine was the seonc spin-off of the original Star Trek series. It ran from 1993-1999. Unlike the previous two it featured a cast not on the Enterprise, not even on a starship, but on the abandoned Cardassian mining outpost once called Terok Nor. It was the first series to feature an African-American commanding officer, the first to have main character not in Starfleet, and the first series since the original pilot to have a female second in command. The Cast: Avery Brooks .... Cmdr./Capt. Benjamin Lafayette Sisko Rene Auberjonois .... Constable Odo Nicole de Boer .... Lt. Ezri Dax (1998-1999) (as Nicole deBoer) Michael Dorn .... Lt. Cmdr. Worf (1995-1999) Terry Farrell .... Lt./Lt. Cmdr. Jadzia Dax (1993-1998) Cirroc Lofton .... Jake Sisko Colm Meaney .... Chief Miles Edward O'Brien Armin Shimerman .... Quark Alexander Siddig .... Lt. (j.g.)/Lt. Julian Bashir, M.D. Nana Visitor .... Maj./Col. Kira Nerys THe series also had a very rich guest cast, included Louise Fletcher as the scheming Vedek then Kai, Winn, and the late Brock Peter's as Joseph Sisko, Benjamin's father. Let's discuss.