Sidney Poitier

Doctor

Bobby Darin

Patient

Peter Falk

Young Psychiatrist

Carl Benton Reid

Chief Medical Officer

Mary Munday

Bar Hostess

Howard Caine

Tavern Owner

Gilbert Green

Jewish Father

Barry Gordon

Patient (as a boy)

Richard Bakalyan

Jimmy

Lynn Loring

Jewish Girl

Anne Barton

Mother

James Anderson

Father

Benjie Bancroft

Bud Cokes

Jimmie Horan

Patient

Clegg Hoyt

Pete

Frank Maxwell

Bund Meeting Spectator

William H. O'Brien

Bund Meeting Spectator

Butch Patrick

Imaginary Playmate

Yvette Vickers

Drunken Woman

Duke Fishman

Lars Hensen

Michael Jeffers

Ethan Laidlaw

Tiger Joe Marsh

Inmate (uncredited)

Clyde McLeod

Mike Morelli

George Murdock

Gil Perkins

Jack Perrin

Herman Rudin

Phil Schumacher

Max Wagner

Chalky Williams

Harry Wilson