Virginia Cunningham is confused upon finding herself in a mental hospital, with no memory of her arrival at the institution. Tormented by delusions and unable to even recognize her husband, Robert, she is treated by Dr. Mark Kik, who is determined to get to the root of her mental illness. As her treatment progresses, flashbacks depict events in Virginia's life that may have contributed to her instability.
Olivia de Havilland
as Virginia Stuart Cunningham
Mark Stevens
as Robert Cunningham
Leo Genn
as Doctor Mark H. Van Kensdelaerik (Dr. "Kik")
Celeste Holm
as Grace
Glenn Langan
as Doctor Terry
Helen Craig
as Nurse Davis
Leif Erickson
as Gordon
Beulah Bondi
as Mrs. Greer
Lee Patrick
as Asylum Inmate
Howard Freeman
as Dr. Curtis
John Chard
I'll tell you where it's gonna end, Miss Somerville... When there are more sick ones than well ones, the sick ones will lock the well ones up. The Snake Pit is directed by Anatole Litvak and adapted to screenplay by Frank Partos, Millen Brand and Arthur Laurents from the novel written by Mary Jan...