Edward G. Robinson
Edward 'Ed' Renard
Francis Lederer
Kurt Schneider
George Sanders
Franz Schlager
Henry O'Neill
Attorney Kellogg
Dorothy Tree
Hilda Kleinhauer
Grace Stafford
Mrs. Schneider
James Stephenson
British Military Intelligence Agent
Hedwiga Reicher
Mrs. Kassell
Hans Heinrich von Twardowski
Helldorf
Frederick Vogeding
Captain Richter
Rudolph Anders
Captain Straubel
Wilhelm von Brincken
Captain von Eichen
Frederick Burton
U.S. District Court Judge
Eily Malyon
Mrs. McLaughlin
Bodil Rosing
Passenger on Boat
Louis Adlon
Nazi American Youth Leader (uncredited)
Fred Aldrich
Nazi at Bund Meeting (uncredited)
Sherwood Bailey
Newsboy at End (uncredited)
Ward Bond
American Legionnaire (uncredited)
Walter Bonn
Naval Officer Seeing Renard at Seaplane (uncredited)
Egon Brecher
Fritz Muller - German Agent (uncredited)
Tommy Bupp
Shoeshine Boy (uncredited)
Glen Cavender
Man in Montage Stuffing Mailboxes (uncredited)
John Conte
Radio Announcer (voice) (uncredited)
Alec Craig
McGregor - Scottish Postman (uncredited)
Jimmie Dundee
Nazi Goon at Bund Meeting (uncredited)
Frederick Giermann
German-American at Bund Meeting (uncredited)
Lisa Golm
Mrs. Anna Westphal (uncredited)
Sol Gorss
Nazi Goon at Bund Meeting (uncredited)
William Gould
FBI Agent (uncredited)
Fred Graham
American Legionnaire at Bund Meeting (uncredited)
Creighton Hale
Draftsman (uncredited)
John Hamilton
FBI Chief (uncredited)
John Harron
Man in Montage with Propaganda (uncredited)
Eddie Hart
Nazi Agent (uncredited)
Adolf Hitler
Self (archive footage) (uncredited)
Max Hoffman Jr.
Soldier at Renz's Arrest (uncredited)
Stuart Holmes
Draftsman (uncredited)
Arthur Stuart Hull
U.S. Government Agent (uncredited)
Selmer Jackson
Customs Official (uncredited)
Edward Keane
FBI Agent (uncredited)
Robert Emmett Keane
Harrison - Passport Official (uncredited)
Milton Kibbee
Man Greeting Waiter Bill (archive footage) (uncredited)
Martin Kosleck
Joseph Goebbels (uncredited)
Frank Mayo
FBI Agent Phillips (uncredited)
Lon McCallister
(uncredited)
Ray Miller
Bill - Coffee Shop Proprietor (uncredited)
Walter Miller
Bill - Waiter with Coffee (uncredited)
Jack Mower
FBI Agent 'Mac' MacDonald (uncredited)
George Offerman, Jr.
Western Union Messenger (uncredited)
Lotte Palfi Andor
Kassel's Nurse (uncredited)
Steve Pendleton
Naval Courier (uncredited)
Gil Perkins
Goebbels' Aide (uncredited)
Norman Phillips Jr.
Gottfried Simmons - Nazi Youth (uncredited)
Lucien Prival
Kranz (uncredited)
Otto Reichow
Driver of Nazi Car That Crashed (uncredited)
John Ridgely
Army Hospital Clerk (uncredited)
Ferdinand Schumann-Heink
(uncredited)
Hans Schumm
Bismarck Officer with Crew List (uncredited)
Lester Sharpe
(uncredited)
Charles Sherlock
FBI Agent Fred Young (uncredited)
Edwin Stanley
U.S. Official (uncredited)
Rudolf Steinboeck
(uncredited)
Robert R. Stephenson
Fritz - von Eichen's Aide (uncredited)
Regis Toomey
Tom - in Coffee Shop (uncredited)
Frederic Tozere
FBI Agent Staunton (uncredited)
Charles Trowbridge
Maj. Williams (uncredited)
Emmett Vogan
Hotel Desk Clerk (uncredited)
