- Robert Young
- Alex Hazen
- Sylvia Sidney
- Cassie Bowman
- Ann Richards
- Emily Taney Hazen
- Dudley Digges
- Moses Taney
- Douglas Dick
- Sam Hazen
- Albert Bassermann
- Count von Stammer
- Dan Seymour
- Torrone
- Ian Wolfe
- Sears, the Butler
- Marietta Canty
- Sophronia, the Maid
- Norma Varden
- Mrs. Hayworth
- Charles D. Brown
- Carter
- Don Castle
- David
- William Trenk
- Ponette
- Mickey Kuhn
- Sam as a Boy
- Ann Carter
- Sarah Hazen
- Dave Willock
- Harry, Male Nurse
- Ed Agresti
- Party Guest
- Frank Arnold
- Reporter
- Brandon Beach
- Departing Passenger
- George Blagoi
- Party Guest
- Julio Bonini
- Spanish Official
- Eugene Borden
- French Reporter
- James Carlisle
- Minor Role
- Tom Chatterton
- Joe - Chauffeur
- Armand Cortes
- Violinist
- Daniel De Jonghe
- Waiter
- Marcel De la Brosse
- Butler in Paris
- John Dehner
- American Reporter in Paris
- Franklyn Farnum
- Waiter in French Restaurant
- Frank Ferguson
- Embassy Attendant
- Albert Ferris
- German Officer
- Bess Flowers
- Reporter
- Adolph Freeman
- Waiter
- Arno Frey
- German Guard
- Frederick Giermann
- Eppler
- Jon Gilbreath
- German Gangster
- Sam Harris
- Restaurant Diner
- Eva Heyde
- Customer
- Mike Lally
- Waiter in French Restaurant
- Max Linder
- Party Guest
- Arthur Loft
- Dr. Crocker
- Louis Lowy
- French Bartender
- Maurice Marsac
- French Reporter
- Russell Meeker
- Party Guest
- James Millican
- Reporter in Madrid
- Hans Moebus
- German Agent
- Bert Moorhouse
- Restaurant Diner
- Neyle Morrow
- Young Italian Waiter
- Leo Mostovoy
- Polish General
- Jack Mulhall
- Reporter
- John Mylong
- Hotel Manager
- Alex Novinsky
- Minor Role
- Wedgwood Nowell
- Minor Role
- Fred Nurney
- German Speaker
- Tony Paton
- Chauffeur in Madrid
- Kenneth Patterson
- Reporter
- Joe Ploski
- Man Listening to Hitler's Speech
- Albert Pollet
- French Waiter
- Stella Razeto
- Minor Role
- Otto Reichow
- German Gangster
- Georges Renavent
- Ambassador de Frontigny
- Albin Robeling
- (uncredited)
- Franklin D. Roosevelt
- Self
- Henry Rowland
- Capt. Hetderbreck
- Harry Semels
- Madrid Waiter
- Elmer Serrano
- Spanish Major
- Reginald Sheffield
- Harry, Reporter
- Pietro Sosso
- Pianist
- Count Stefenelli
- Party Guest
- Robert Strong
- Chauffeur
- Marie Surdez
- Countess Marigny
- Hilda Tanzler
- German Governess
- Willy Thunis
- French Gate Attendant
- Hans von Morhart
- German Guard
- Mary K. Wells
- Reporter in Madrid
- Joe Whitehead
- Old Man in Embassy
- Eric Wilton
- Man at Prague Airport Bar
- Al Winters
- German Agent
- William Yetter Jr.
- German Gangster
