Hedy Lamarr as Irene Von Mohr

Paul Henreid as Vincent Van Der Lyn

Sydney Greenstreet as Ricardo Quintanilla

Peter Lorre as Jan Bernazsky

Victor Francen as Hugo Von Mohr

Joseph Calleia as Captain Pereira

Carol Thurston as Rosa

Vladimir Sokoloff as Miguel

Eduardo Ciannelli as Colonel Almeida (as Edward Ciannelli)

Steven Geray as Dr. Schmitt

Kurt Katch as Otto Lutzke

Doris Lloyd as Mrs. Benson (uncredited)

Edward Van Sloan as Dutch Underground Leader (uncredited)

Frank Reicher as Casino Attendant (uncredited)