Darsteller und CrewGary CooperUndetermined Secondary Role (uncredited)Lew MeehanChief Detective BryceWalter MalyDutch Roos (as Walter Maley)Eileen SedgwickMildred HarrisonWilliam LoweryThe SpiderHans TieslerRegisseur:inLightnin' the DogLightnin' - the Super Dog (as Lightnin the Great)Hal WaterTed Hathaway