William Petersen
![](https://image.tmdb.org/t/p/w780/844k8tbN8mr5Nk69Ge2yzFR4k9r.jpg)
Age: 71
Evanston, Illinois, USA
Actor
Executive Producer
Producer
Biography
William Louis Petersen is an American actor and producer, best known for playing Dr. Gilbert "Gil" Grissom on the hit CBS series CSI: Crime Scene Investigation, Richard Chance in the film To Live and Die in L.A., and Will Graham in the film Manhunter. Born in Evanston, Illinois, Petersen attended Idaho State University on a football scholarship, wh
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