William Petersen
It was a reunion of sorts when, after almost two years of absence, Gil Grissom (William Petersen) appeared on the February 3 episode of CSI, titled "The Two Mrs. Grissoms."
"We had the perfect story," executive producer Carol Mendelsohn tells TV Guide Magazine about the timing of Petersen's return. "The two...
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Phyllis Frelich
Tony winner Phyllis Frelich will guest-star on CSI as Gil Grissom's mother, Entertainment Weekly reports.
Check out photos from CSI
Frelich will appear in the Feb. 3 episode, which revolves around a murder at a school for the deaf, where Grissom's mother is a professor. Mrs. Grissom will butt heads with ...
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