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 Joan Collins Edith Keeler Guest Star John Harmon The rodent Guest Star Hal Baylor Policeman Guest Star David L. Ross Galloway Guest Star John Winston Transporter chief Guest Star Bart La Rue The Guardian of Forever Guest Voice Carey Loftin Truck driver Guest Star Gene Roddenberry Executive Producer Harlan Ellison Writer Joseph Pevney Director