Christine Chapel

Christine Chapel is a fictional character who appears in all three seasons of the American science fiction television series Star Trek: The Original Series, as well as Star Trek: The Animated Series and the films Star Trek: The Motion Picture and Star Trek IV: The Voyage Home. Portrayed by Majel Barrett, she was the ship's nurse on board the Starfleet starship USS Enterprise. Barrett had previously been cast under her real name as Number One in the first pilot for the series, "The Cage", due in part to her romantic relationship with the series creator Gene Roddenberry.