Invisible Agent

Ilona Massey

Maria Sorenson

Jon Hall

Frank Raymond

Peter Lorre

Baron Ikito

Cedric Hardwicke

Conrad Stauffer

J. Edward Bromberg

Karl Heiser

Albert Bassermann

Arnold Schmidt

John Litel

John Gardiner

Holmes Herbert

Sir Alfred Spencer

Keye Luke

Surgeon

Sven Hugo Borg

German Captain (uncredited)

John Burton

R.A.F. Flier (uncredited)

Lane Chandler

German Sentry (uncredited)

Mabel Colcord

Gretl (uncredited)

James Craven

Ship's Radio Man (uncredited)

Donald Curtis

German Sentry (uncredited)

Leslie Denison

British Radio Operator (uncredited)