William Shatner Capt. James T. Kirk Actor Leonard Nimoy Mr. Spock Actor DeForest Kelley Dr. Leonard McCoy Actor James Doohan Engineer Montgomery Scott Actor Nichelle Nichols Lt. Uhura Actor George Takei Lt. Sulu Actor Walter Koenig Ensign Pavel Chekov Actor William Schallert Nilz Baris Guest Star William Campbell Koloth Guest Star Stanley Adams Cyrano Jones Guest Star Whit Bissell Lurry Guest Star Guy Raymond Bartender Guest Star Michael Pataki Korax Guest Star Edwin Reimers Adm. Fitzpatrick Guest Star Charlie Brill Arne Darvin Guest Star Paul Baxley Freeman Guest Star David L. Ross Galloway Guest Star Eddie Paskey Leslie Guest Star Dick Crockett Klingon Brawler 1 Guest Star Bob Orrison Klingon Brawler 3 Guest Star Gene Roddenberry Executive Producer David Gerrold Writer Joseph Pevney Director