Lee Tracy

Nick Burton

Linda Hayes

Helen Hewitt

Raymond Walburn

Bruce Vander

Morgan Conway

James Brent

Truman Bradley

Dr. William 'Bill' Collins

Virginia Vale

May Thomas

Cliff Edwards

Happy

Paul Guilfoyle

Ox

Thurston Hall

Harold Kellogg

Chester Clute

Sidney Keats

Shemp Howard

Professor

Horace McMahon

Sylvester Odgen 'SOS' Schofield (as Horace MacMahon)

Thomas E. Jackson

Warden Tom Hammond

Elliott Sullivan

Tony Brody

Selmer Jackson

Dr. Harry Lindsay

Vinton Hayworth

'Windy' Windsor (as Jack Arnold)

Brooks Benedict

Reporter (uncredited)

Leo Cleary

Deputy Taking Collins to Prison (uncredited)

Richard Cramer

Guard Finding Keats' Menu (uncredited)

Hal K. Dawson

Mike, a Reporter (uncredited)

Joe Devlin

Vince Connell (uncredited)

John Dilson

Observer at Train Station (uncredited)

Charlie Hall

Cockney Convict Heckler (uncredited)

Kenneth Harlan

Jerry Connell (uncredited)

Eddie Hart

Reporter (uncredited)

Dell Henderson

Dell, Deputy Taking Vander to Prison (uncredited)

Donald Kerr

Prison Library Clerk (uncredited)

Roger Laswell

Guard (uncredited)

Grace Lenard

Marie Brody (uncredited)

Sam Lufkin

Convict (uncredited)

George Magrill

Guard in Yard (uncredited)

Herman Marks

Convict Taunting New Prisoners (uncredited)

Larry McGrath

Visitor's Room Guard (uncredited)

Donald McNamee

Reporter (uncredited)

Frank Mills

Convict Chef Dominick (uncredited)

Bruce Mitchell

Train Conductor (uncredited)

Frank O'Connor

Frank, Prison Guard (uncredited)

Cy Schindell

Red Vernon (uncredited)

John Sheehan

Deputy Taking Keats & Kellogg to Prison (uncredited)

Sammy Stein

Mess Hall Guard (uncredited)

Harry Strang

Convict (uncredited)

Grady Sutton

Jock, Vander's Nephew (uncredited)

Chester Tallman

Guard (uncredited)

Anthony Warde

Max, Convict (uncredited)

Carole Wayne

Wife of SOS (uncredited)

Charles C. Wilson

R.J. Reynolds, Sunday Editor (uncredited)