One Is Guilty

Ralph Bellamy

Insp. Steve Trent

Shirley Grey

Sally Grey

Warren Hymer

'Knock-Out' Walters

Rita La Roy

Lola Deveroux

J. Carrol Naish

Jack Allen

Wheeler Oakman

Toledo Eddie Marchetti

Ruth Abbott

Miss Mabel Kane

Willard Robertson

Wells Deveroux

Ralph Remley

'Pop' Daley

Vincent Sherman

William Malcolm

Harry Todd

Danny O'Keefe

Sam Flint

Coroner

Lambert Hillyer

Director

Harold Shumate

Story, Screenplay

John Stumar

Cinematography

Irving Briskin

Production Supervisor

Vernon Ashdown

Sound Engineer