Der Frosch mit der Maske (Face of the Frog) is a 1959 West German-Danish black-and-white crime film directed by Harald Reinl and starring Siegfried Lowitz and Joachim Fuchsberger. It was the first of the very successful series of films based on works by Edgar Wallace produced by Rialto Film. This film was adapted from the 1925 novel The Fellowship of the Frog.