Elizabeth Taylor
Catherine Holly
Katharine Hepburn
Violet Venable
Montgomery Clift
Dr. Cukrowicz
Albert Dekker
Lawrence Hockstader
Mercedes McCambridge
Grace Holly
Gary Raymond
George Holly
Mavis Villiers
Miss Foxhill
Patricia Marmont
Nurse Benson
Joan Young
Sister Felicity
Maria Britneva
Lucy
Sheila Robbins
Dr. Hockstader's Secretary
David Cameron
Young Blonde Intern
Grace Denbigh Russell
Asylum Patient (uncredited)
Brenda Dunrich
Nurse (uncredited)
Eddie Fisher
Street Urchin (uncredited)
Frank Merlo
Audience Member at Operation (uncredited)
Sheila Raynor
Mother of Young Patient (uncredited)
Beatrice Shaw
Elderly Lady (uncredited)
Florence Stark
Patient (uncredited)
Julián Ugarte
Sebastian Venable (uncredited)
Gore Vidal
Audience Member at Operation (uncredited)
Rita Webb
Asylum Patient (uncredited)
Sandra White
Young Patient (uncredited)
Ian Wilson
Patient (uncredited)
Roberta Woolley
Nurse (uncredited)