Pornstar Ron Jeremy is listed in the Guinness Book Of World Records for 'Most Appearances In Adult Films' (1900 appearances, 275 directed).
He's also made a mini-career out of mainstream movie cameos. totalfilm.com asked him to reveal the parts you never saw...
Next: Killing Zoe, Orgazmo [page-break]
Killing Zoe (1994)
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Boogie Nights (1997)
Next: Crank 2, Domino, Boondock Saints [page-break]
The Boondock Saints (1999)