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