Guest Stars Vaughn Armstrong as Captain Maximilian Forrest (Mirror Universe) Franc Ross as Grizzled Man (Mirror Universe) Uncredited Jef Ayres as Crewman Haynem Evan English as Ensign Tanner Solomon Burke Jr. as Ensign Billy (Starfleet) John Jurgens as Command / Operations Division Crewman Peter Godoy as Operations Crewman (Operations/Command Division Crewman) Mickey Cassidy as M. Romero (Mirror Universe) Dominic Calandra as Relief Helm Officer (Mirror Universe) Steve Blalock as Vulcan Captain (T'Plana-Hath(Mirror Universe))