Guest Stars DeForest Kelley as Dr. Leonard Horatio "Bones" McCoy James Doohan as Lt. Cmdr. Montgomery "Scotty" Scott Nichelle Nichols as Lt. Nyota Uhura Madlyn Rhue as Marla Ricardo Montalban as Khan John Winston as Transporter Technician Makee K. Blaisdell as Lt. Spinelli Mark Tobin as Joaquin Kathy Ahart as Crew Woman