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 Bruce Hyde Riley Guest Star Stewart Moss Tormolen Guest Star Majel Roddenberry Nurse Christine Chapel Guest Star Grace Lee Whitney Yeoman Janice Rand Guest Star Frank da Vinci Lt. Brent Guest Star Eddie Paskey Lt. Ryan Guest Star William Frederick Knight Amorous crewman Guest Star John Bellah Laughing crewman Guest Star Bill Blackburn Lt. Hadley Guest Star Gene Roddenberry Executive Producer John D. F. Black Writer Marc Daniels Director