Boris Karloff

Dr. Charles Gaudet

Nedda Harrigan

Madame Lucien

James Stephenson

Col. Armand Lucien

Adia Kuznetzoff

Pierre

Will Stanton

Bobo

Edward Keane

Dr. Duval

Robert Warwick

Demonpre

Pedro de Cordoba

Marcal

Tom Wilson

Emil

John Harmon

Andre

Richard Bond

Georges

Sidney Bracey

Soupy

George Lloyd

Dogface

Charles Richman

Governor Beaufort

Stuart Holmes

Gustav LeBrun

Leonard Mudie

Advocate General

Egon Brecher

Debriac

Frank Reicher

President of Assize Court

James Blaine

Guard

Dick Botiller

Pilot of Escape Boat