Guest Stars DeForest Kelley as Dr. Leonard Horatio "Bones" McCoy James Doohan as Lt. Cmdr. Montgomery "Scotty" Scott Nichelle Nichols as Lt. Nyota Uhura George Takei as Lt. Hikaru Sulu Michael Barrier as Lt. Vincent DeSalle William Campbell as Trelane Richard Carlyle as Jaeger Venita Wolf as Yeoman Teresa Ross