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