'Defiant' (Story Code 455) by Ronald D. Moore

Wil Riker's renegade duplicate steals the Defiant and attacks Cardassian territory, forcing Sisko to assist Gul Dukat in stopping him.

Avery Brooks (Commander Benjamin Sisko), Rene Auberjonois (Constable Odo), Terry Farrell (Lieutenant Jadzia Dax), Cirroc Lofton (Jake Sisko), Colm Meaney (Chief Miles O'Brien), Armin Shimerman (Quark), Siddig el Fadil (Doctor Julian Bashir), Nana Visitor (Major Kira Nerys), Jonathan Frakes (Thomas Riker), Michael Canavan (Tamal), Robert Kerbeck (Cardassian Soldier), Tricia O'Neil (Korinas)

Directed by Cliff Bole
Executive Producers Rick Berman, Michael Piller and Ira Steven Behr

TX:
21st November, 1994

Notes:
*Featuring Commander Benjamin Sisko, Lieutenant Jadzia Dax, Chief Miles O'Brien, Doctor Julian Bashir, Major Kira Nerys, Constable Odo and Quark