Otto Becker / Baron Hugo von Detner
Conrad Veidt
Kaaren De Relle
Ann Ayars
Grover Blaine McHenry
Pierre Watkin
Sailor (uncredited)
Ernie Alexander
Cab Driver (uncredited)
Rudolph Anders
Landlady (uncredited)
Jessie Arnold
Spy (uncredited)
Walter Bacon
Fat Woman (uncredited)
Polly Bailey
Chief Petty Officer (uncredited)
Roy Barcroft
Woman (uncredited)
Barbara Bedford
Detective (uncredited)
Arthur Belasco
Officer (uncredited)
Walter Byron
Fritz
Frank Reicher
Waiter (uncredited)
Baldwin Cooke
Clerk (uncredited)
Hal Cooke
Doorman (uncredited)
Clyde Courtright
Commentator (voice) (uncredited)
Stuart Crawford
Reporter (uncredited)
Jack Daley
Mark Daniels
Youth (uncredited)
Cliff Danielson
Diplomat (uncredited)
Jack Deery
Drew Demorest
Restaurant Patron (uncredited)
Harry Denny
Miss Harper
Dorothy Tree
Herschel Graham
Rosie (uncredited)
Bernadene Hayes
Edward Hearn
1st Captain (uncredited)
Robert Homans
Onlooker at Departure (uncredited)
Carl M. Leviness
Wilbur Mack
Thug (uncredited)
George Magrill
Frank Marlowe
Charles Meakin
Operator (uncredited)
James Millican
Professor Sterling (as Ivan Simpson)
Ivan F. Simpson
Messenger (uncredited)
Roger Moore
Bellboy (uncredited)
George Noisom
Harry (voice) (uncredited)
William Post Jr.
Paul Power
Mohr (uncredited)
Christian Rub
Buck Russell
Tim Ryan
Jeffrey Sayre
Charles Sherlock
2nd Captain (uncredited)
Russell Simpson
Ludwig
William Tannen
Elderly Man (uncredited)
Harry Stafford
Mrs. Mohr (uncredited)
Hermine Sterler
Headwaiter (uncredited)
Tom Stevenson
Radio Operator (uncredited)
Brick Sullivan
Officer Graves (uncredited)
Ray Teal
Philip Van Zandt
Bauer (uncredited)
Roland Varno
Duke York
Keeler (uncredited)
Jeff York
Barney (uncredited)
Joe Yule
Kurt Richten
Martin Kosleck
William Bailey
Margaret Bert
Submarine Radioman (uncredited)
Joe Gilbert
Joe Aiello
Marc Lawrence
Arnold Milbar
Sidney Blackmer
Brenner
Moroni Olsen
Director
Jules Dassin
Music
David Snell
Sound Director
Douglas Shearer
Stunts
Story
Lothar Mendes
Makeup Artist
Jack Dawn
Set Decoration
Edwin B. Willis
Art Direction
Cedric Gibbons
Bronislau Kaper
Hairstylist
Sydney Guilaroff
Director of Photography
Harry Stradling Sr.
Editor
Frank E. Hull
Producer
Irving Asher
Sol Kaplan
Daniele Amfitheatrof
Orchestrator
Joseph Nussbaum
Wally Heglin
Leonid Raab
Costume Design
Howard Shoup
Original Music Composer
Lennie Hayton
Screenplay
Paul Gangelin
John Meehan Jr.
Stan Rogers