Edward 'Ed' Renard

Edward G. Robinson

Kurt Schneider

Francis Lederer

Franz Schlager

George Sanders

Dr. Kassell

Paul Lukas

U.S. Atty. Kellogg

Henry O'Neill

Erika Wolff

Lya Lys

Hilda Kleinhauer

Dorothy Tree

Mrs. Helen Schneider

Grace Stafford

British Military Intelligence agent

James Stephenson

Dr. Julius Gustav Krogmann

Sig Ruman

FBI Agent Staunton (uncredited)

Frederic Tozere

Mrs. Kassell

Hedwiga Reicher

Werner Renz

Joe Sawyer

Mrs. Kassel

Celia Sibelius

Hintze

Lionel Royce

Wildebrandt

Henry Victor

Helldorf

Hans Heinrich von Twardowski

Max Helldorf

Hans von Twardowski

Westphal

Wolfgang Zilzer

Captain Richter

Frederick Vogeding

Klauber

George Rosener

Greutzwald

Willy Kaufman

Captain Straubel

Rudolph Anders

Wesphal

John Voight

Captain von Eichen

Wilhelm von Brincken

Capt. Vonn Eichen

William von Brincken

U.S. District Court Judge

Frederick Burton

FBI Agent 'Mac' MacDonald (uncredited)

Jack Mower

Mrs. MacLaughlin

Eily Malyon

Harrison - Passport Official (uncredited)

Robert Emmett Keane

Passenger on Boat

Bodil Rosing

Narration by

John Deering

Nazi American Youth Leader (uncredited)

Louis Adlon

Staunton

Frank Mayo

McGregor - Scottish Postman (uncredited)

Alec Craig

Nazi at Bund Meeting (uncredited)

Fred Aldrich

Newsboy at End (uncredited)

Sherwood Bailey

Kassel's Nurse

Jean Brooks

Customs Agent

Selmar Jackson

Kranz (uncredited)

Lucien Prival

American Legionnaire (uncredited)

Ward Bond

Naval Officer Seeing Renard at Seaplane (uncredited)

Walter Bonn

Fritz Muller - German Agent (uncredited)

Egon Brecher

Shoeshine Boy (uncredited)

Tommy Bupp

Maj. Williams (uncredited)

Charles Trowbridge

Man in Montage Stuffing Mailboxes (uncredited)

Glen Cavender

Army Hospital Clerk (uncredited)

John Ridgely

Radio Announcer (voice) (uncredited)

John Conte

Hotel Desk Clerk (uncredited)

Emmett Vogan

FBI Agent (uncredited)

Edward Keane

Nazi Goon at Bund Meeting (uncredited)

Jimmie Dundee

Joseph Goebbels (uncredited)

Martin Kosleck

(uncredited)

Jack Egger

German-American at Bund Meeting (uncredited)

Frederick Giermann

Man

Niccolai Yoshkin

Mrs. Anna Westphal (uncredited)

Lisa Golm

Nazi Goon at Bund Meeting (uncredited)

Sol Gorss

FBI Agent Fred Young (uncredited)

Charles Sherlock

FBI Agent (uncredited)

William Gould

American Legionnaire at Bund Meeting (uncredited)

Fred Graham

(uncredited)

Lon McCallister

Draftsman (uncredited)

Creighton Hale

FBI Chief (uncredited)

John Hamilton

Man in Montage with Propaganda (uncredited)

John Harron

Nazi Agent (uncredited)

Eddie Hart

Self (archive footage) (uncredited)

Adolf Hitler

Soldier at Renz's Arrest (uncredited)

Max Hoffman Jr.

Draftsman (uncredited)

Stuart Holmes

U.S. Government Agent (uncredited)

Arthur Stuart Hull

Man Greeting Waiter Bill (archive footage) (uncredited)

Milton Kibbee

Bill - Coffee Shop Proprietor (uncredited)

Ray Miller

Bill - Waiter with Coffee (uncredited)

Walter Miller

Western Union Messenger (uncredited)

George Offerman, Jr.

Kassel's Nurse (uncredited)

Lotte Palfi Andor

Naval Courier (uncredited)

Steve Pendleton

Goebbels' Aide (uncredited)

Gil Perkins

Gottfried Simmons - Nazi Youth (uncredited)

Norman Phillips Jr.

(uncredited)

Tempe Pigott

Driver of Nazi Car That Crashed (uncredited)

Otto Reichow

(uncredited)

Ferdinand Schumann-Heink

Bismarck Officer with Crew List (uncredited)

Hans Schumm

(uncredited)

Lester Sharpe

U.S. Official (uncredited)

Edwin Stanley

(uncredited)

Rudolf Steinboeck

Fritz - von Eichen's Aide (uncredited)

Robert R. Stephenson

Tom - in Coffee Shop (uncredited)

Regis Toomey

(uncredited)

Dave Wengren