Edgar Wallace, Joachim Fuchsberger, Harald Reinl, Carl Lange, Egon Eis, Elfie von Kalckreuth, Jochen Brockmann, J. Joachim Bartsch

Der Frosch mit der Maske is a movie starring Joachim Fuchsberger, Elfie von Kalckreuth, and Jochen Brockmann. Scotland Yard and an American playboy investigate a criminal gang led by a mysterious man in a frog-like mask.