Joseph L. Mankiewicz Director Elizabeth Taylor Catherine Holly Actor Montgomery Clift Dr. Cukrowicz Actor Katharine Hepburn Mrs. Venable Actor Albert Dekker Dr. Hockstader Actor Mercedes McCambridge Mrs. Holly Actor Gene Raymond George Holly Actor Mavis Villiers Miss Foxhill Actor Patricia Marmont Nurse Benson Actor Joan Young Sister Felicity Actor Maria Britneva Lucy Actor Sheila Robbins Dr. Hockstader's Secretary Actor David Cameron Young Blonde Intern Actor Roberta Woolley A Patient (uncredited) Actor Gary Raymond George Holly Actor Gore Vidal Writer Tennessee Williams Writer Sam Spiegel Producer Malcolm Arnold Original Music Jack Hildyard Cinematographer William Hornbeck Film Editing Thomas Stanford Film Editing Oliver Messel Production Design, Costume Design William Kellner Art Director Scott Slimon Set Decoration Joan Ellacott Costume Design Jean Louis Costume Design