During World War 1, Harry Houdini took 1 year off performing to help sell war bonds and teach american soldiers how to escape from German handcuffs.
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Heath Ledger locked himself in a hotel room for a month to prepare for his iconic role as the Joker in The Dark Knight
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In their early careers, Sylvester Stallone and Jackie Chan both took part in porn.
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Charlie Chaplin once entered a Charlie Chaplin look alike contest and lost.
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Johnny Depp travels with his Capt. Jack Sparrow costume to make impromptu visits to sick kids in hospitals.
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When he was 7, Vin Diesel and some friends broke into a New York theater with intentions to vandalize it. Instead of calling the police, the theater’s artistic director handed them scripts and offered them parts in the upcoming show. This became Diesel’s first acting role.
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