William Petersen — American Actor born on February 21, 1953,

William Louis Petersen is an American actor and producer best known for playing Dr. Gilbert "Gil" Grissom in the CBS series CSI: Crime Scene Investigation. He also starred in films, such as To Live and Die in L.A. and Manhunter... (wikipedia)

If I stayed a football player, my career would have been over 20 years ago. As it is, my knees are shot. I found I got the same good feeling in acting that I had in sports, but I found I could have a more profound impact on people.
Sure, I always chose rebels to identify with - I still do - but to me a rebel isn't so much someone who breaks the law as someone who goes against the odds.
Basically, we are a whole world of people desperately trying to figure out what is the dark side of our natures and how much can we explore without becoming something else.
I had panic attacks during rehearsal. There were times when I really thought I wasn't going to be able to do it.
The beard is here because I got tired of shaving and Grissom, subsequently, got tired of shaving. Grissom, like any other 50-year-old man, is going through a series of mid-life changes. Who knows, he may start drinking.