Joel McCrea

Barry Corvall

Brenda Marshall

Brenda Ballard

Jeffrey Lynn

Lowell Warrington

James Stephenson

Dr. Anton Rader

Howard Hickman

Walter Forbes

Martin Kosleck

Karl 'Muller' Mullen

Nana Bryant

Mrs. Corvall

Rudolph Anders

Paul Strawn (as Robert O. Davis)

Hans Heinrich von Twardowski

Dr. Helm

George Davis

Swiss Gendarme (uncredited)

George Bancroft

Dudley Garrett

Stanley Ridges

Hamilton Peyton

Lucien Prival

Decker

Addison Richards

Bruce Corvall

Edwin Stanley

Secretary of State

Lloyd Bacon