Characters played by Boris Karloff
Dr. Charles Gaudet
Characters played by Nedda Harrigan
Madame Lucien
Characters played by James Stephenson
Col. Armand Lucien
Characters played by Adia Kuznetzoff
Pierre
Characters played by Rolla Gourvitch
Collette
Characters played by Will Stanton
Bobo
Characters played by Edward Keane
Dr. Duval
Characters played by Robert Warwick
Demonpre
Characters played by Pedro de Cordoba
Marcal
Characters played by Tom Wilson
Emil
Characters played by John Harmon
Andre
Characters played by Richard Bond
Georges
Characters played by Earl Gunn
Leon
Characters played by Sidney Bracey
Soupy
Characters played by George Lloyd
Dogface
Characters played by Charles Richman
Governor Beaufort
Characters played by Stuart Holmes
Gustav LeBrun
Characters played by Leonard Mudie
Advocate General
Characters played by Egon Brecher
Debriac
Characters played by Frank Reicher
President of Assize Court
Characters played by James Blaine
Guard
Characters played by Dick Botiller
Pilot of Escape Boat
Characters played by Al Bridge
Captain of the Guards
Characters played by Nat Carr
Court Clerk
Characters played by Glen Cavender
Gendarme on Train
Characters played by Davison Clark
Captain of Gendarmes
Characters played by Neal Clisby
Jules
Characters played by Harry Cording
Guard Accepting Bribe
Characters played by Gino Corrado
Man Escaping Gendarmes with Debriac
Characters played by Earl Dwire
Priest
Characters played by Eddie Foster
Supply Clerk
Characters played by Sol Gorss
Guard Escorting Gaudet After Operation
Characters played by Frank Hagney
Guard
Characters played by John Hamilton
Captain of Second Convict Ship
Characters played by Ben Hendricks Jr.
François - Sergeant of the Guards
Characters played by Stanley King
Guard
Characters played by Vera Lewis
Gaudet's Housekeeper
Characters played by Billy McClain
Governor's Servant
Characters played by Henry Otho
Guard Handcuffing Pierre
Characters played by Paul Panzer
Jury Foreman
Characters played by Earl Pingree
Guard
Characters played by Alonzo Price
Capt. Edvard Fearreau of the First Convict Ship
Characters played by Dick Rich
Guard Drugged by Gaudet
Characters played by Cliff Saum
Uniformed Gendarme
Characters played by Francis Sayles
Boatman Taking Madame Lucien to Mainland
Characters played by Earl Smith
Daniel - Madame Lucien's Servant
Characters played by Walter Soderling
Wagon Driver
Characters played by Elliott Sullivan
Gate Guard
Characters played by Don Turner
Guard Escorting Gaudet After Operation
Characters played by Douglas Williams
Guard