Guest Stars James Doohan voices Lt. Montgomery "Scotty" Scott George Takei voices Lt. Hikaru Sulu Majel Barrett Roddenberry voices Nurse Christine Chapel Majel Barrett Roddenberry voices Lt. M'Ress Majel Barrett Roddenberry voices Enterprise Ship's Computer James Doohan voices Romulan Commander Nichelle Nichols voices Lt. Anne Nored Uncredited Ted Knight voices Carter Winston