Whether you are a fan of actor William Petersen from his early theatre days in Chicago, his many movies, or discovered him as Gil Grissom on the hit television series CSI: Crime Scene Investigation, The William Petersen Appreciation Page is the place to be! Browse the site for general information, the latest news, images and much more!

The youngest of 6, an avid Chicago sports fan, learn a little more about our favorite Chicago actor in the Billy Bio. Image Info - CSI Press Conference 2008. Billy's impressive career spans more than 3 decades and includes plays, movies and television. Click the image to learn more. Image info - Billy with Paula Korologos in The Goodman Theatre's production of Night of the Iguana. Famous for such movies as To Live & Die in LA and Manhunter, Billy has appeared in over 30 movies, take a look at his filmography. Image info - A promo shot from Young Guns II. The television sensation known as CSI made Billy a household name playing the character of Gil Grissom. Information and CSI screencaps are available in our CSI section. Image Info - Billy with Marg Helgenberger on the set of CSI. Looking for videos of Billy appearing at awards shows, television interviews and occasionally singing the 7th inning stretch at the Cubs? View our Media section. Image Info - Billy throwing out the first pitch at Wrigley Field in 2004. We have one of the largest galleries on the internet devoted to Billy where you will find movie and CSI promos, scans from magazines, professional images from various public events and much more. Image Info - Boston Globe article 2006. Do not forget to view our EXTRAs section, this is where we put all those extra pieces of information any fan would want to know. This includes information about Billy's Star on the Hollywood Walk of Fame, our site fundraisers, fan meets and our special page devoted to Billy's boxer dog, Bruno.

Latest Projects

Whether it be film, stage or television, we have information on Billy's latest projects.

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The Minutes

Project » Theatre

Steppenwolf Theatre. 2017.

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Manhattan – Season 2

Project » Television

WGN America - Drama - 2015

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Project » Theatre

Geffen Playhouse. 2014.

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