In their early careers, Sylvester Stallone and Jackie Chan both took part in porn.
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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
1
Heath Ledger asked Christian Bale to actually beat him for the interrogation scene in the Dark Knight.
7
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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Bill Murray was arrested in 1970 for trying to smuggle 10lbs of Marijuana during his 20th Birthday.
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