Henry O'Neill - Attorney Kellogg 역

Dorothy Tree - Hilda Kleinhauer 역

Lya Lys - Erika Wolf 역

Grace Stafford - Mrs. Schneider 역

James Stephenson - British Military Intelligence Agent 역

Hedwiga Reicher - Mrs. Kassell 역

Joe Sawyer - Werner Renz 역

Sig Ruman - Krogman 역

Lionel Royce - Hintze 역

Henry Victor - Wildebrandt 역

Hans Heinrich von Twardowski - Helldorf 역

Wolfgang Zilzer - Westphal 역

Frederick Vogeding - Captain Richter 역

Willy Kaufman - Greutzwald 역

Rudolph Anders - Captain Straubel 역

Wilhelm von Brincken - Captain von Eichen 역

George Rosener - Klauber 역

Frederick Burton - U.S. District Court Judge 역

Eily Malyon - Mrs. McLaughlin 역

Bodil Rosing - Passenger on Boat 역

John Deering - Narration by 역

Louis Adlon - Nazi American Youth Leader (uncredited) 역

Fred Aldrich - Nazi at Bund Meeting (uncredited) 역

Sherwood Bailey - Newsboy at End (uncredited) 역

Ward Bond - American Legionnaire (uncredited) 역

Walter Bonn - Naval Officer Seeing Renard at Seaplane (uncredited) 역

Egon Brecher - Fritz Muller - German Agent (uncredited) 역

Tommy Bupp - Shoeshine Boy (uncredited) 역

Glen Cavender - Man in Montage Stuffing Mailboxes (uncredited) 역

John Conte - Radio Announcer (voice) (uncredited) 역

Alec Craig - McGregor - Scottish Postman (uncredited) 역

Jimmie Dundee - Nazi Goon at Bund Meeting (uncredited) 역

Jack Egger - (uncredited) 역

Frederick Giermann - German-American at Bund Meeting (uncredited) 역

Lisa Golm - Mrs. Anna Westphal (uncredited) 역

Sol Gorss - Nazi Goon at Bund Meeting (uncredited) 역

William Gould - FBI Agent (uncredited) 역

Fred Graham - American Legionnaire at Bund Meeting (uncredited) 역

Creighton Hale - Draftsman (uncredited) 역

John Hamilton - FBI Chief (uncredited) 역

John Harron - Man in Montage with Propaganda (uncredited) 역

Eddie Hart - Nazi Agent (uncredited) 역

Adolf Hitler - Self (archive footage) (uncredited) 역

Max Hoffman Jr. - Soldier at Renz's Arrest (uncredited) 역

Stuart Holmes - Draftsman (uncredited) 역

Arthur Stuart Hull - U.S. Government Agent (uncredited) 역

Selmer Jackson - Customs Official (uncredited) 역

Edward Keane - FBI Agent (uncredited) 역

Robert Emmett Keane - Harrison - Passport Official (uncredited) 역

Milton Kibbee - Man Greeting Waiter Bill (archive footage) (uncredited) 역

Martin Kosleck - Joseph Goebbels (uncredited) 역

Frank Mayo - FBI Agent Phillips (uncredited) 역

Lon McCallister - (uncredited) 역

Ray Miller - Bill - Coffee Shop Proprietor (uncredited) 역

Walter Miller - Bill - Waiter with Coffee (uncredited) 역

Jack Mower - FBI Agent 'Mac' MacDonald (uncredited) 역

George Offerman, Jr. - Western Union Messenger (uncredited) 역

Lotte Palfi Andor - Kassel's Nurse (uncredited) 역

Steve Pendleton - Naval Courier (uncredited) 역

Gil Perkins - Goebbels' Aide (uncredited) 역

Norman Phillips Jr. - Gottfried Simmons - Nazi Youth (uncredited) 역

Tempe Pigott - (uncredited) 역

Lucien Prival - Kranz (uncredited) 역

Otto Reichow - Driver of Nazi Car That Crashed (uncredited) 역

John Ridgely - Army Hospital Clerk (uncredited) 역

Ferdinand Schumann-Heink - (uncredited) 역

Hans Schumm - Bismarck Officer with Crew List (uncredited) 역

Lester Sharpe - (uncredited) 역

Charles Sherlock - FBI Agent Fred Young (uncredited) 역

Edwin Stanley - U.S. Official (uncredited) 역

Rudolf Steinboeck - (uncredited) 역

Robert R. Stephenson - Fritz - von Eichen's Aide (uncredited) 역

Regis Toomey - Tom - in Coffee Shop (uncredited) 역

Frederic Tozere - FBI Agent Staunton (uncredited) 역

Charles Trowbridge - Maj. Williams (uncredited) 역

Emmett Vogan - Hotel Desk Clerk (uncredited) 역

Dave Wengren - (uncredited) 역