E.A. Dupont Director John Ireland John Howard Barrington Actor Mercedes McCambridge Connie Carter Actor Emlyn Williams Dr. David Dunbar Actor James Barton Ezra Thompson Actor Lloyd Gough Asylum Dr. Gordon Actor Basil Ruysdael Cyrus Barrington Actor David Wolfe Level Louie Actor Harry Shannon Asylum Warden Anderson Actor David McMahon State Trooper Actor Chubby Johnson Feed Store Manager Actor Frank Jenks Tom Actor Emmett Lynn Jack the Waiter Actor Frank Jaquet Town Sheriff Actor John Frederick Actor Lyle Talbot City Detective Actor King Donovan Piano Player Actor O.Z. Whitehead Whoopie Actor Frank Richards Gargantua Actor Sue Casey Miss Dean Actor Celia Lovsky Mrs. Cyrus Barrington Actor