On screen
Cast
23 credited performers
Gary Cooper
Prof. Alvah Jesper
Lilli Palmer
Gina
Robert Alda
Pinkie
Vladimir Sokoloff
Polda
J. Edward Bromberg
Trenk
Marjorie Hoshelle
Ann Dawson
Ludwig Stössel
The German
Helene Thimig
Katerin Lodor
Artwork unavailable
Dan Seymour
Marsoli
Marc Lawrence
Luigi
James Flavin
Col. Walsh
Patrick O'Moore
The Englishman
Artwork unavailable
Charles Marsh
Erich
Yola d'Avril
First Nurse
Lex Barker
Character not listed
Robert Coote
Cronin
Artwork unavailable
Hella Crossley
Character not listed
Elvira Curci
Character not listed
Claire Du Brey
Character not listed
Gil Perkins
Character not listed
Lotte Stein
Nurse
Artwork unavailable
Victor Zimmerman
Character not listed
Artwork unavailable
Dan Sheridan
British Adjutant