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 Majel Roddenberry Nurse Christine Chapel, Computer Guest Star Charles Drake Commodore Stocker Guest Star Sarah Marshall Janet Wallce Guest Star Felix Locher Mr. Johnson Guest Star Carolyn Nelson Yeoman Atkins Guest Star Laura Wood Mrs. Johnson Guest Star Beverly Washburn Arlene Galway Guest Star Gene Roddenberry Executive Producer David P Harmon Writer Joseph Pevney Director