Reparto
Jean De Briac
Waiter
John Hamilton
Code Room Instructor
Nana Bryant
Mrs. Corvall
Sarah Edwards
Militant American Tourist
Jack Mower
Man Opening Door
John J. Richardson
Man in O'Grady Crowd
Cyril Ring
Spectator at Dart Throwing
George Irving
State Department Official
Glen Cavender
Man in O'Grady Crowd
Dorothy Vaughan
Stout Woman Bumped by Garrett
Henry Victor
Foreign Official
Nella Walker
Mrs. Peyton
Wolfgang Zilzer
Heinrich
Jeffrey Lynn
Lowell Warrington
Selmer Jackson
Instructor
Glenn Langan
Student
Billy McClain
Manservant at Ball
Wendell Niles
Radio Announcer Introducing Garrett
Lester Sharpe
German Officer on Train
Eddie Acuff
Minor Role
Stanley Ridges
Hamilton Peyton
Harold Miller
Ball Guest
Louis Adlon
Youth
Christian J. Frank
Minor Role
William Hopper
Student
Hans Heinrich von Twardowski
Dr. Helm
Edwin Stanley
Secretary of State
Chris-Pin Martin
Tunisian Guard
Ferdinand Schumann-Heink
Train Conductor
Vera Lewis
American Tourist Going to Desert
Emmett Vogan
Instructor
Joel McCrea
Barry Corvall
Brenda Marshall
Brenda Ballard
George Bancroft
Dudley Garrett
George Davis
Swiss Gendarme (uncredited)
Egon Brecher
Larsch
Grace Hayle
Mrs. O'Grady
Sidney Bracey
Ship Steward
John Harron
American Tourist
Robert Middlemass
Militant American Tourist
Lionel Royce
Hoffmeyer
Hans Schumm
Foreign Official
Frederick Vogeding
Friend of Müller
Martin Kosleck
Karl 'Muller' Mullen
Stuart Holmes
American Tourist
William Worthington
Instructor in Montage
Howard Hickman
Walter Forbes
Addison Richards
Bruce Corvall
Winifred Harris
Lady Ashford
Enrique Acosta
Geneva Restaurant Patron
Sven Hugo Borg
Chauffeur
James Stephenson
Dr. Anton Rader
Granville Bates
Phineas T. O'Grady
Rudolph Anders
Paul Strawn (as Robert O. Davis)
Lucien Prival
Decker
George Reeves
Warrington's Secretary
Wilhelm von Brincken
Foreign Official