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 John Crawford as Commissioner Ferris Phyllis Douglas as Yeoman Mears Peter Marko as Gaetano Co Starring Grant Woods as Kelowitz Don Marshall as Boma David L. Ross as Transporter Chief Rees Vaughn as Latimer Robert Maffei as Creature
