because he wanted to do more stage acting. but he said he was going to be back for a special episode
William Petersen left CSI because he wanted to pursue other acting opportunities and projects. He felt that he had been on the show for long enough and wanted to explore other roles in his career.
William Petersen left the show CSI to pursue other projects and spend more time with his family. He felt that his character had run its course and wanted to explore new opportunities in his career.
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William Petersen, who portrayed Gil Grissom, decided to leave CSI to pursue other opportunities after being on the show for several years. He wanted to focus on his theater projects and other acting roles.
he left to do more stage work. of course in the real world of detectives his character would be close enough for retirement anyways. the same can't be said for the Sarah character. most people in law enforcement stay until retirement. but of course some don't do to the extreme stress of law enforcement.
Grissom left CSI in the ninth season, with his last appearance in the episode titled "One to Go".
Gil Grissom was played by William Petersen.
William Petersen left the show CSI to pursue other projects and spend more time with his family. He felt that his character had run its course and wanted to explore new opportunities in his career.
William Petersen's birth name is William Louis Petersen.
Yes, William Petersen has confirmed it. But that's all I know so far. Source: http://www.telegraph.co.uk/news/newstopics/celebritynews/5189548/CSI-The-Movie-in-the-works-says-William-Petersen.html
William Louis Petersen
William Petersen goes by Billy.
Grissom who was played by my good family friend, William (or his nickname, billy) Petersen And she married him in the series.
William Petersen was born on February 21, 1953.
William Petersen was born on February 21, 1953.
He wanted to do more stage acting.
US actor William Petersen is 64 years old (birthdate: February 21, 1953).
William N. Petersen has written: 'Our judge and jury' -- subject(s): Dreams