Watch Tarzan: Silver Screen King of the Jungle for Free: How to Stream the Movie Online at 123Movies. . Tarzan: Silver Screen King of the Jungle is a documentary focusing on the first six sound Tarzan films produced by Metro-Goldwyn-Mayer starring Johnny Weissmuller and Maureen O'Sullivan. Written and directed by John Rust, the documentary features interviews with film historians Rudy Behlmer and Scott Tracy Griffin, who discuss the films' literary antecedents and behind-the-scenes production details.