Ilona Massey as Maria Sorenson

Jon Hall as Frank Raymond

Peter Lorre as Baron Ikito

Cedric Hardwicke as Conrad Stauffer

J. Edward Bromberg as Karl Heiser

Albert Bassermann as Arnold Schmidt

John Litel as John Gardiner

Holmes Herbert as Sir Alfred Spencer

Keye Luke as Surgeon

Sven Hugo Borg as German Captain (uncredited)

John Burton as R.A.F. Flier (uncredited)

Lane Chandler as German Sentry (uncredited)

Mabel Colcord as Gretl (uncredited)

James Craven as Ship's Radio Man (uncredited)

Donald Curtis as German Sentry (uncredited)

Leslie Denison as British Radio Operator (uncredited)

Eddie Dunn as S.S. Prison Guard (uncredited)

Lee Tung Foo as Gen. Chin Lee (uncredited)

Henry Guttman as Storm Trooper (uncredited)

Bobby Hale as English Tommy (uncredited)

John Holland as Spencer's Secretary (uncredited)

Patrick McVey as German (uncredited)

John Merton as German Soldier (uncredited)

Alberto Morin as Free Frenchman (uncredited)

Ferdinand Munier as Bartender (uncredited)

William Pagan as Storm Trooper (uncredited)

Eddie Parker as Strongman Thug (uncredited)

Charles Regan as Ordnance Car Driver (uncredited)

Otto Reichow as Gestapo Agent (uncredited)

William Ruhl as Gestapo Agent (uncredited)

Ferdinand Schumann-Heink as German Telephone Operator (uncredited)

Hans Schumm as SS Man (uncredited)

Wallace Scott as English Tommy (uncredited)

Lee Shumway as Brigadier (uncredited)

Milburn Stone as German Sergeant (uncredited)

Walter Tetley as Newsboy (uncredited)

Philip Van Zandt as SS Man (uncredited)

Michael Visaroff as Verichen (uncredited)

Phil Warren as German Soldier (uncredited)

Pat West as German Taxi Driver (uncredited)

Matt Willis as Nazi Assassin (uncredited)

Duke York as German Sentry (uncredited)

Wolfgang Zilzer as Von Porten (uncredited)

Victor Zimmerman as Storm Trooper (uncredited)

Henry Zynda as Col. Kelenski (uncredited)

Charles Flynn as German Soldier (uncredited)