William Petersen


William Petersen Trivia


  • Quotes

    • William Petersen: Well, all of the real guys we've met with who do [forensics] for real, they're an interesting breed of cat. They do things that normal people would not do... Actually during the course of playing [Grissom], I've been able to do things I wouldn't do. I've been able to have spiders crawl on me, you know, tarantulas, and all kinds of blood, gore and guts that I don't think that I normally would have, just because of being able to be Grissom.