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