cast
- Joel McCrea
- Barry Corvall
- Brenda Marshall
- Brenda Ballard
- Jeffrey Lynn
- Lowell Warrington
- George Bancroft
- Dudley Garrett
- Stanley Ridges
- Hamilton Peyton
- James Stephenson
- Dr. Rader
- Howard Hickman
- Walter Forbes
- Nana Bryant
- Mrs. Corvall
- Robert O. Davis
- Paul Strawn
- Hans Heinrich Von Twardowski
- Dr. Helm
- Lucien Prival
- Decker
- Addison Richards
- Bruce Corvall
- Edwin Stanley
- Secretary of State
- Dorothy Vaughan
- Stout woman
- Jean de Briac
- Waiter
- Emmett Vogan
- Instructor
- Alice Connors
- American
- Egon Brecher
- Larsch
- Lionel Royce
- Hoffmeyer
- Alex Melesh
- Headwaiter
- Fern Barry
- American
- George Irving
- Elderly official
- Sarah Edwards
- Woman
- Louis Adlon
- Youth
- Winifred Harris
- Lady Ashford
- William Hopper
- Student
- Grace Hayle
- Mrs. O'Grady
- Nella Walker
- Mrs. Peyton
- Fredrik Vogeding
- Man
- Glenn Langan
- Student
- William Worthington
- Instructor
- Selmar Jackson
- Instructor
- Martin Kosleck
- Karl Mullen
- Henry Victor
- Foreign official
- Vera Lewis
- Militant woman
- George Reeves
- Warrington's secretary
- Chris-Pin Martin
- Tunisian Guard (uncredited)
- Lotta Williams
- Woman
- Al Lloyd
- American
- Granville Bates
- Phineas T. O'Grady
- Eddie Graham
- American
- Arno Frey
- Man
- Stuart Holmes
- American
- Eddie Acuff
- Taxi driver
- Billy McClain
- Manservant
- John Hamilton
- Code room instructor
- Rolf Lindau
- Foreign agent
- Sidney Bracey
- Steward
- Lloyd Ingraham
- Woodrow Wilson
crew
- Lloyd Bacon
- Director
- Frank Donahue
- Screenwriter
- Michael Fessier
- Screenwriter
- Robert Buckner
- Screen Story
- Warren B. Duff
- Screenwriter
- Charles Rosher Sr.
- Cinematographer
- Adolph Deutsch
- Composer (Music Score)
- Leo F. Forbstein
- Musical Direction/Supervision
- Ralph Dawson
- Editor
- Carl Jules Weyl
- Art Director
- Louis Edelman
- Associate Producer
- Hal B. Wallis
- Executive Producer
- Milo Anderson
- Costume Designer
- Francis J. Scheid
- Sound/Sound Designer
- Perc Westmore
- Makeup