by the police. Later, it turns out that William wasn't killed when the ship sunk, and he comes home to reunite with his family and wife. Having learnt his lesson, Karl decides to give up his political beliefs and care for his family instead. The fact that he has become a true American patriot is displayed in full when he sings "My country 'tis of thee" together with his family. Cast Charles Winninger as Karl Pfeiffer Charlie Ruggles as Heinrich Block James Craig as Bill Pfeiffer Nancy Kelly as June Block Otto Kruger as Anton Miller Ilka Grüning as Mrs. Pfeiffer Greta Meyer as Gretchen Addison Richards as Inspector McCarthy Charles Lane as Braun John Piffle as Schnitzler Ruth Holley as Nora Murray Alper as Delivery man Production The movie was based on a play which had been very popular during World War I and filmed in 1925 under the same title. Edward Small bought the rights in 1942. Filming started in early February 1942. Reception Reviews were average. Small said he wanted to reunite the two stars in Batter Up, but the film was never made. Radio adaptation Friendly Enemies was presented on Philip Morris Playhouse June 26, 1942. Ruggles and Winninger reprised their roles. References External links 1942 films 1940s English-language films American black-and-white films American films based on plays Western Front (World War I) films Films directed by Allan Dwan 1942 drama films Films produced by Edward Small American drama films Films based on works by American writers 1940s American films