William Petersen is a Actor and Producer American born on 21 february 1953 at Evanston (USA)
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Birth name William Louis PetersenNationality USABirth 21 february 1953
(66 years) at Evanston (USA
William Louis Petersen (born February 21, 1953) 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.
Petersen married longtime girlfriend Gina Cirone in July 2003. He has a daughter, Maite (born c. 1975), from his previous marriage to Joanne Brady. Through Maite, he has two grandsons, Mazrik William (born October 2003) and Indigo August (born August 2009). He is an avid Chicago Cubs fan. In 2004, he described to Playboy Magazine a near-death experience he had in the 1980s that gave him "assurance" that there is an afterlife.
On July 5, 2011, Petersen and Cirone (via surrogate) welcomed twins, a son and daughter.