Glenn Ford as Joe Hufford

Broderick Crawford as George Knowland

Millard Mitchell as Malloby

Dorothy Malone as Kay Knowland

Carl Benton Reid as Captain Douglas

Frank Faylen as Convict Ponti

Will Geer as Convict Mapes

Martha Stewart as Bertie Williams

Henry O'Neill as Detective Dorn

Douglas Kennedy as Det. Bailey

Roland Winters as Vernon Bradley, Attorney

Ed Begley as Mackay, Head of Parole Board

Griff Barnett as Mr. Hufford (uncredited)

Jay Barney as Convict Nick - Prison Cook (uncredited)

Brandon Beach as Convict (uncredited)

Whit Bissell as States Attorney Owens (uncredited)

Marshall Bradford as Parole Board Member (uncredited)

Chet Brandenburg as Convict (uncredited)

Benny Burt as Convict Blackie (uncredited)

James Bush as Guard in Kitchen (uncredited)

John Butler as Convict Curly (uncredited)

Frank Cady as Eddie (uncredited)

Charles Cane as Police Desk Sergeant (uncredited)

Clancy Cooper as Prison Guard (uncredited)

Harry Cording as Convict in Prison Yard (uncredited)

James Dime as Convict in Prison Yard (uncredited)

Jimmie Dodd as Convict Grant (uncredited)

John Doucette as Convict Tex (uncredited)

Duke Fishman as Convict in Prison Yard (uncredited)

Fred Graham as Guard in Laundry (uncredited)

William E. Green as Dr. Masterson (uncredited)

Ilka Grüning as Martha Lorry (uncredited)

Richard Hale as Judge (uncredited)

Chuck Hamilton as Policeman (uncredited)

Harry Harvey as Parole Board Member (uncredited)

Bradford Hatton as Parole Board Member (uncredited)

Tom Kingston as Train Conductor (uncredited)

Robert Malcolm as Guard (uncredited)

Alphonse Martell as Convict Melreau (uncredited)

James Millican as Guard in Kitchen (uncredited)

Eddie Parker as Guard in Laundry (uncredited)

Jack Perry as Convict in Prison Yard (uncredited)

Vincent Renno as Freddie (uncredited)

Fred F. Sears as Fingerprint Man (uncredited)

Charles Sherlock as Policeman (uncredited)

William Tannen as Prison Guard (uncredited)

Ray Teal as Cell Block / Yard Guard (uncredited)

William Vedder as Whitey - 2nd Convict (uncredited)

Peter Virgo as Convict Luigi (uncredited)

Blackie Whiteford as Convict in Prison Yard (uncredited)

Harry Wilson as Convict in Prison Yard (uncredited)