Unsichtbare Gegner (Invisible Opponent) is a 1933 German-Austrian dramatic crime film directed by Rudolph Cartier, starring Gerda Maurus, Paul Hartmann, and Oskar Homolka. A gripping thriller about criminal activities in the international oil business. The plot focuses on a corrupt oil company head attempting to sell worthless South American oilfields, with a formerly involved engineer intervening to stop the fraud.

This movie is brought to you thanks to an anonymous donor dedicated to scholarly studies of Third Reich Cinema.