John Hough Director Bette Davis Mrs. Aylwood Actor Lynn-Holly Johnson Jan Curtis Actor Carroll Baker Helen Curtis Actor David McCallum Paul Curtis Actor Kyle Richards Ellie Curtis Actor Ian Bannen John Keller Actor Richard Pasco Tom Colley Actor Frances Cuka Mary Fleming Actor Benedict Taylor Mike Fleming Actor Eleanor Summerfield Mrs. Thayer Actor Georgina Hale Young Mrs. Aylwood Actor Katherine Levy Karen Aylwood Actor Ron Miller Producer Brian Clemens Screenwriter Harry Spalding Screenwriter Rosemary Anne Sisson Screenwriter