Tarzan Triumphs is a 1943 adventure film and the seventh film in the series in which Tarzan fights the Nazis. Johnny Weismuller had portrayed the popular Edgar Rice Burroughs character in six films with Metro-Goldwyn-Mayer, but this was his first with the producer Sol Lesser at RKO Pictures. Weismuller was reunited with two of his three co-stars from several of the earlier films, Johnny Sheffield and Cheeta, but Maureen O'Sullivan was unable to reprise her role as Jane due to pregnancy. Instead, Frances Gifford played the princess of the lost city of Palandrya, which is conquered by Germans.

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