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