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