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 Percy Rodrigues Portmaster Stone Guest Star Elisha Cook Jr. Cogley Guest Star Joan Marshall Lt. Areel Shaw Guest Star Alice Rawlings Jame Finney Guest Star Richard Webb Finney Guest Star Hagan Beggs Helmsman Guest Star Win De Lugo Timothy Guest Star Nancy Wong Personnel officer Guest Star William Meader Board officer Guest Star Bart Conrad Krasnovsky Guest Star Reginald Lal Singh Board officer Guest Star Tom Curtis Corrigan Guest Star Majel Roddenberry Computer Guest Voice Gene Roddenberry Executive Producer Steven W Carabatsos Writer Don Mankiewicz Writer Marc Daniels Director