Nazi Agent

Conrad Veidt

Otto Becker / Baron Hugo von Detner

Ann Ayars

Kaaren De Relle

Frank Reicher

Fritz

Dorothy Tree

Miss Harper

Ivan F. Simpson

Professor Sterling (as Ivan Simpson)

William Tannen

Ludwig

Martin Kosleck

Kurt Richten

Marc Lawrence

Joe Aiello

Sidney Blackmer

Arnold Milbar

Moroni Olsen

Brenner

Pierre Watkin

Grover Blaine McHenry

Ernie Alexander

Sailor (uncredited)

Rudolph Anders

Cab Driver (uncredited)

Jessie Arnold

Landlady (uncredited)

Walter Bacon

Spy (uncredited)

Polly Bailey

Fat Woman (uncredited)

Roy Barcroft

Chief Petty Officer (uncredited)

Barbara Bedford

Woman (uncredited)

Arthur Belasco

Detective (uncredited)

Walter Byron

Officer (uncredited)

Cedric Gibbons

Art Direction

Edwin B. Willis

Set Decoration

Leonid Raab

Orchestrator

Harry Stradling Sr.

Director of Photography

Howard Shoup

Costume Design

Jack Dawn

Makeup Artist

Jules Dassin

Director

Daniele Amfitheatrof

Music

Sydney Guilaroff

Hairstylist

Bronislau Kaper

Music

David Snell

Music

Douglas Shearer

Sound Director

Sol Kaplan

Music

Frank E. Hull

Editor

Lennie Hayton

Original Music Composer

Irving Asher

Producer

Paul Gangelin

Screenplay

John Meehan Jr.

Screenplay

Lothar Mendes

Story

Duke York

Stunts