Guest Stars James Doohan as Lt. Cmdr. Montgomery "Scotty" Scott Nichelle Nichols as Lt. Nyota Uhura Walter Koenig as Ensign Pavel Chekov David L. Ross as Guard Michael Pataki as Korax Charlie Brill as Arne Darvin Paul Baxley as Ensign Freeman Edwin Reimers as Admiral Fitzpatrick Guy Raymond as Trader Co Starring William Schallert as Nilz Baris Whit Bissell as Lurry Stanley Adams as Cyrano Jones William Campbell as Koloth