William Witney Director Kane Richmond Alan Armstrong, Spy Smasher, Jack Armstrong Actor Marguerite Chapman Eve Corby Actor Sam Flint Adm. Corby Actor Hans Schumm The Mask Actor Tristram Coffin Drake Actor Franco Corsaro Capt. Pierre Durand Actor Hans von Morhart Capt. Gerhardt Actor Georges Renavent Gov. LeComte Actor Rudolph Anders Dungeon Col. Von Kohr Actor Henry Zynda Ritter Lazar Actor Ronald Davidson Screenwriter Norman S. Hall Screenwriter William Lively Screenwriter Joseph O'Donnell Screenwriter Joseph F. Poland Screenwriter Reggie Lanning Cinematographer Tony Martinelli Film Editing Edward Todd Film Editing Mort Glickman Original Music John Victor Mackay Art Director