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 David L. Ross as Guard Harry Townes as Reger Charles Macaulay as Landru Torin Thatcher as Marplon Jon Lormer as Tamar Sid Haig as First Lawgiver Morgan Farley as Hacom Lev Mailer as Bilar Brioni Farrell as Tula Christopher Held as Lindstrom Sean Morgan as O'Neil
