Crew DS9 Commander / Captain Benjamin Lafayette Sisko Avery Brooks Major/Colonel Kira Nerys Nana Visitor OdoRené Auberjonois Dr. Julian Subatoi Bashir Alexander Siddig Lieutenant Commander Worf (Staffel 4-7) Michael Dorn Lieutenant Commander Jadzia Dax (Staffel 1-6) Terry Farrell Chief Miles Edward O’Brien Colm Meaney Quark Armin Shimerman Jake Sisko Cirroc Lofton Lieutenant Ezri Dax (Staffel 7) Nicole de Boer