William Louis Petersen is an American actor best known for playing Gil Grissom in Csi: Crime Scene Investigation.
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Best Known For:The television show CSI: Crime Scene Investigation
Breakthrough:Lead role on CSI: Crime Scene Investigation in 2000
10 Quick Facts About William Louis Petersen
- Full Name: William Louis Petersen
- Nationality: American
- Profession: Entertainer
- Known For: The television show CSI: Crime Scene Investigation
- Date of Birth: February 21, 1953
- Age: 73 years old
- Place of Birth: Evanston, Illinois
- Marital Status: Married
- Spouse / Partner: Gina Cirone
- Popular As: William Petersen
William Louis Petersen Age
William Louis Petersen is about 73 years old as of 2026. William Louis Petersen was born in 1953.
Education
He attended Idaho State University.
- Idaho State University
Rise to Fame
William Louis Petersen rose to prominence for his role on the television show CSI: Crime Scene Investigation.
Notable Works
Notable screen roles include CSI: Crime Scene Investigation, Manhunter, and To Live and Die in L.A.
Television
- TV Show: CSI: Crime Scene Investigation (Gil Grissom, 2000-2015)
Film
- Film: Manhunter (Will Graham, 1986)
- Film: To Live and Die in L.A (Richard Chance, 1985)
William Louis Petersen Family & Relationships
William Louis Petersen is married to Gina Cirone.
- Father: Arthur Edward Petersen
- Mother: June Hoene
Personal Information
- Full Name: William Louis Petersen
- Popular As: William Petersen
- Gender: Male
- Occupation: Entertainer
- Nationality: American
- Living Status: Alive
Birth & Background
- Date of Birth: February 21, 1953
- Age: 73
- Birthday: February 21
- Zodiac Sign: Pisces
- Place of Birth: Evanston, Illinois
Family & Relationships
- Father: Arthur Edward Petersen
- Mother: June Hoene
- Marital Status: Married
- Spouse / Partner: Gina Cirone
Net Worth & Income
- Salary: $48,000–$619,000 (Estimated range)
- Net Worth: $170,000–$11,313,000 (Estimated range)
- Source of Income: Acting contracts and related professional work
Related Biographies
- Gina Cirone (Spouse • Wife; married 2003)
