"FBI agent Ed Renard investigates the pre-War espionage activities of the German-American Bund."
Edward G. Robinson
as Edward 'Ed' Renard
Francis Lederer
as Kurt Schneider
George Sanders
as Franz Schlager
Paul Lukas
as Dr. Kassell
Henry O'Neill
as Attorney Kellogg
Dorothy Tree
as Hilda Kleinhauer
Lya Lys
as Erika Wolf
Grace Stafford
as Mrs. Schneider
James Stephenson
as British Military Intelligence Agent
Hedwiga Reicher
as Mrs. Kassell
Joe Sawyer
as Werner Renz
Sig Ruman
as Krogman
Lionel Royce
as Hintze
Henry Victor
as Wildebrandt
Hans Heinrich von Twardowski
as Helldorf
Wolfgang Zilzer
as Westphal
Frederick Vogeding
as Captain Richter
Willy Kaufman
as Greutzwald
Rudolph Anders
as Captain Straubel
Wilhelm von Brincken
as Captain von Eichen
George Rosener
as Klauber
Frederick Burton
as U.S. District Court Judge
Eily Malyon
as Mrs. McLaughlin
Bodil Rosing
as Passenger on Boat
John Deering
as Narration by
Louis Adlon
as Nazi American Youth Leader (uncredited)
Fred Aldrich
as Nazi at Bund Meeting (uncredited)
Sherwood Bailey
as Newsboy at End (uncredited)
Ward Bond
as American Legionnaire (uncredited)
Walter Bonn
as Naval Officer Seeing Renard at Seaplane (uncredited)
Egon Brecher
as Fritz Muller - German Agent (uncredited)
Tommy Bupp
as Shoeshine Boy (uncredited)
Glen Cavender
as Man in Montage Stuffing Mailboxes (uncredited)
John Conte
as Radio Announcer (voice) (uncredited)
Alec Craig
as McGregor - Scottish Postman (uncredited)
Jimmie Dundee
as Nazi Goon at Bund Meeting (uncredited)
Jack Egger
as (uncredited)
Frederick Giermann
as German-American at Bund Meeting (uncredited)
Lisa Golm
as Mrs. Anna Westphal (uncredited)
Sol Gorss
William Gould
as FBI Agent (uncredited)
Fred Graham
as American Legionnaire at Bund Meeting (uncredited)
Creighton Hale
as Draftsman (uncredited)
John Hamilton
as FBI Chief (uncredited)
John Harron
as Man in Montage with Propaganda (uncredited)
Eddie Hart
as Nazi Agent (uncredited)
Adolf Hitler
as Self (archive footage) (uncredited)
Max Hoffman Jr.
as Soldier at Renz's Arrest (uncredited)
Stuart Holmes
Arthur Stuart Hull
as U.S. Government Agent (uncredited)
Selmer Jackson
as Customs Official (uncredited)
Edward Keane
Robert Emmett Keane
as Harrison - Passport Official (uncredited)
Milton Kibbee
as Man Greeting Waiter Bill (archive footage) (uncredited)
Martin Kosleck
as Joseph Goebbels (uncredited)
Frank Mayo
as FBI Agent Phillips (uncredited)
Lon McCallister
Ray Miller
as Bill - Coffee Shop Proprietor (uncredited)
Walter Miller
as Bill - Waiter with Coffee (uncredited)
Jack Mower
as FBI Agent 'Mac' MacDonald (uncredited)
George Offerman, Jr.
as Western Union Messenger (uncredited)
Lotte Palfi Andor
as Kassel's Nurse (uncredited)
Steve Pendleton
as Naval Courier (uncredited)
Gil Perkins
as Goebbels' Aide (uncredited)
Norman Phillips Jr.
as Gottfried Simmons - Nazi Youth (uncredited)
Tempe Pigott
Lucien Prival
as Kranz (uncredited)
Otto Reichow
as Driver of Nazi Car That Crashed (uncredited)
John Ridgely
as Army Hospital Clerk (uncredited)
Ferdinand Schumann-Heink
Hans Schumm
as Bismarck Officer with Crew List (uncredited)
Lester Sharpe
Charles Sherlock
as FBI Agent Fred Young (uncredited)
Edwin Stanley
as U.S. Official (uncredited)
Rudolf Steinboeck
Robert R. Stephenson
as Fritz - von Eichen's Aide (uncredited)
Regis Toomey
as Tom - in Coffee Shop (uncredited)
Frederic Tozere
as FBI Agent Staunton (uncredited)
Charles Trowbridge
as Maj. Williams (uncredited)
Emmett Vogan
as Hotel Desk Clerk (uncredited)
Dave Wengren
Joe Stinton
Makeup Artist
Leon G. Turrou
Writer
Jack L. Warner
Executive Producer
Robert B. Lee
Sound Designer
Robert Cowan
Ernest Haller
Director of Photography
Hal B. Wallis
Milton Krims
Screenplay
Anatole Litvak
Director
John Wexley
Milo Anderson
Costume Design
Carl Jules Weyl
Art Direction
Sol Polito
Owen Marks
Editor
Max Steiner
Original Music Composer
