Dr. John Garth

Boris Karloff

Acting

Martha Garth

Evelyn Keyes

Acting

Dr. Paul Ames

Bruce Bennett

Acting

Capt. McGraw

Don Beddoe

Acting

Dr. Ralph Howard

Edward Van Sloan

Acting

Warden Thompson

Ben Taggart

Acting

Victor Sondini

Pedro de Cordoba

Acting

George Wharton

Wright Kramer

Acting

Stephen Barclay

Bertram Marburgh

Acting

District Attorney

Robert Fiske

Acting

Otto Kron - Convict

Frank Richards

Acting

Anson, Prison Guard

Kenneth MacDonald

Acting

Sam - Hospital Prison Orderly

Ernie Adams

Acting

Governor Prentiss

Frederick Burton

Acting

Dr. Nichols

Edward Earle

Acting

Mandish

Richard Fiske

Acting

Reardon

George McKay

Acting

Sanders

John Tyrrell

Acting

Patrolman Olson

Jack Cheatham

Acting

Judge Braden

Charles Trowbridge

Acting

Cousel at Defense Table

Bert Moorhouse

Acting

Courtroom Spectator

Sam Harris

Acting

Courtroom Spectator

Edmund Mortimer

Acting

Prison Gate Guard

Stanley Brown

Acting

Guard

Eddie Laughton

Acting

Butler

James T. Mack

Acting

Police Dispatcher

Gohr Van Vleck

Acting