Cary Grant as Patrick O'Toole

Ginger Rogers as Katherine Butt-Smith

Walter Slezak as Baron Franz Von Luber

Albert Dekker as Gaston Le Blanc

Albert Bassermann as General Borelski

Ferike Boros as Elsa

Harry Shannon as Ed Cumberland

Natasha Lytess as Anna

John Banner as Von Kleinoch (uncredited)

Hans Joby as Kleinoch's Driver (uncredited)

Hans Conried as Vienna Tailor's Fitter (uncredited)

Fred Niblo as Ship's Captain (uncredited)

Fred Aldrich as German Storm Trooper (uncredited)

Frank Alten as Official Saying 'Spontaneity' (uncredited)

Felix Basch as Herr Kelman (uncredited)

Brandon Beach as Civilian (uncredited)

Walter Bonn as German Officer (uncredited)

Ace Bragunier as Pilot (uncredited)

Walter Byron as Guard (uncredited)

Gordon B. Clarke as German Officer (uncredited)

Alexis Davidoff as Traveler in Warsaw (uncredited)

Boyd Davis as Chamberlain (uncredited)

Claudine De Luc as Hotel Proprietess (uncredited)

James Dime as German Storm Trooper (uncredited)

Joseph Diskay as Warsaw Desk Clerk (uncredited)

Carl Ekberg as Adolf Hitler (uncredited)

Bess Flowers as Bridge Player (uncredited)

Arno Frey as German Officer (uncredited)

Hans Fuerberg as German Storm Trooper (uncredited)

Russell Gaige as Baron's Guest (uncredited)

Steven Geray as Café Waiter (uncredited)

Frederick Giermann as German Getting Film from Le Blanc (uncredited)

Henry Guttman as German Storm Trooper (uncredited)

Sam Harris as Bridge Player (uncredited)

Ernst Hauessermann as German Getting Film from Le Blanc (uncredited)

Dell Henderson as American Attaché (uncredited)

George Irving as American Consul (uncredited)

Joseph Kamaryt as Czech Official (uncredited)

Manart Kippen as German Officer (uncredited)

Nicholai Konovaloff as Traveler in Warsaw (uncredited)

Adolf E. Licho as French Waiter (uncredited)

Oscar Loraine as Ship Steward (uncredited)

Eric Mayne as Curious Nightclub Patron (uncredited)

Alex Melesh as Warsaw Waiter Serving Vodka (uncredited)

Rudolf Myzet as Czech Official (uncredited)

Leda Nicova as Traveler in Warsaw (uncredited)

Bob O'Connor as Polish Operator (uncredited)

Emory Parnell as Quisling (uncredited)

John S. Peters as Kleinoch's Driver (uncredited)

Albert Petit as French Waiter (uncredited)

Otto Reichow as Guard (uncredited)

Bert Roach as Ship Bartender (uncredited)

Lionel Royce as Marshall Mocha (uncredited)

Hans Schumm as Warsaw Gestapo Agent (uncredited)

Peter Seal as Polish Orderly (uncredited)

Dina Smirnova as Traveler in Warsaw (uncredited)

George Sorel as German Officer (uncredited)

Walter O. Stahl as Baron's Guest (uncredited)

Rudolf Steinboeck as Party Guest (uncredited)

Robert R. Stephenson as German Storm Trooper (uncredited)

Sigfrid Tor as German Captain (uncredited)

Gohr Van Vleck as Baron's Guest (uncredited)

Jacques Vanaire as French Radio Announcer (uncredited)

Dorothy Vaughan as Katie's Mother (uncredited)

Henry Victor as German Storm Trooper (uncredited)

Wilhelm von Brincken as German Colonel with American Consul (uncredited)

Hans Heinrich von Twardowski as German Officer (uncredited)

Hans Wollenberger as Paris Cafe Waiter (uncredited)