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 was directed by Anatole Litvak and adapted for the screen by Frank Partos, Millen Brand, and Arthur Laurents from a novel by Mary Jane Ward. The film features Olivia de Havilland, Mark Stevens, Leo Genn, Celeste Holm, Glenn Langan, Helen Craig, Leif Erickson, …