The original novel 'What Ever Happened to Baby Jane?' by Henry Farrell was published, which later became the basis for the film.
Actresses Bette Davis and Joan Crawford were cast as the lead sisters Baby Jane Hudson and Blanche Hudson, in a highly publicized reunion.
Filming for the psychological thriller began under the direction of Robert Aldrich.
The film was released to critical acclaim and commercial success, becoming a classic thriller and revitalizing the careers of Bette Davis and Joan Crawford.