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