Boris Karloff
Valdar
Acting
Margaret Lindsay
Helene von Lorbeer
Acting
Bruce Lester
Frank Bennett
Acting
Leonard Mudie
James Yeats
Acting
Holmes Herbert
Arthur Bennett
Acting
Austin Fairman
George Bennett
Acting
William Bailey
British Intelligence Agent
Acting
Louise Brien
Miss Risdon - Bennett's Secretary
Acting
Glen Cavender
Under Officer Pfalz
Acting
David Cavendish
Capt. Lanark
Acting
Joe De Stefani
German Officer
Acting
Carlos De Valdez
Von Ritter
Acting
Clarence Derwent
Milkman
Acting
Arno Frey
German Junior Officer
Acting
Frederick Giermann
Otto Kurtz
Acting
Lawrence Grant
Brigadier General
Acting
Carl Harbaugh
German Soldier
Acting
Sam Harris
Cabinet Minister
Acting
Winifred Harris
Mrs. Maude Bennett
Acting
Leyland Hodgson
Lord Sudbury
Acting
Stuart Holmes
Luchow - German Soldier
Acting
Willy Kaufman
German Corporal
Acting
Crauford Kent
Cmdr. Phelps
Acting
Morton Lowry
Lt. Borden
Acting
Lester Matthews
Henry Thompson
Acting
Frank Mayo
Brixton - Intelligence Agent
Acting
Paul Panzer
Peasant
Acting
John J. Richardson
Cockney Soldier
Acting
Ferdinand Schumann-Heink
German Officer
Acting
Hans Schumm
German Senior Officer
Acting
John Graham Spacey
Crichton - Intelligence Agent
Acting
Robert R. Stephenson
Cockney Soldier
Acting
Evan Thomas
Maj. Andrews
Acting
David Thursby
Agent Reporting Strengler's Identity
Acting
Frederick Vogeding
Baron Kuglar
Acting
Leonard Willey
Capt. Stuart
Acting
Maris Wrixon
Dorothy Bennett
Acting
Henry Zynda
German
Acting