Guest Stars James Doohan as Lt. Cmdr. Montgomery "Scotty" Scott Nichelle Nichols as Lt. Nyota Uhura George Takei as Lt. Hikaru Sulu Majel Barrett Roddenberry as Nurse Christine Chapel Vic Perrin voices Nomad Makee K. Blaisdell as Lt. Singh Meade Martin as Crewman Arnold Lessing as Security Guard Barbara Gates as Crewwoman