During "CSI Week" on The Early Show Thursday, William Petersen . revealed some juicy morsels. to co-anchor Julie Chen about who his character, the mysterious Gil Grissom, really is.

CSI began this week with a tease: Jorja Fox’s Sara Sidle at a benefit for a foundation for the deaf, received a call from her hubby, William Petersen’s Gil Grissom. Ah, how nice it was to hear ...

William Petersen and Jorja Fox discuss returning to the "CSI" franchise with "CSI: Vegas" on CBS. ... Petersen originated the role of Gil Grissom in 2000 in the original CSI, ...

Fans of “CSI” have something big to look forward to this season. Everyone’s favorite investigator, Gil Grissom, is coming back to the small screen. The bad news is he won’t be there for ...

CBS recently released a new teaser for its upcoming CSI: Vegas revival and it features the return of William Petersen’s Gil Grissom and Jorja Fox’s Sara Sidle, and the wait has been worth it.

William Petersen is leaving "CSI: Crime Scene Investigation," a move that might have fans of his brainy crimebuster Gil Grissom screaming bloody murder.

Petersen, who plays Gil Grissom, exited the series in 2009 but came back (along with Marg Helgenberger and Paul Guilfoyle, both of whom had also already left CSI) for this last hurrah.

Dr. Gilbert "Gil" Grissom, (Ph.D.) is a fictional character portrayed by William Petersen on the American TV crime drama CSI: Crime Scene Investigation.

As CBS continues to hammer out plans for a finale to its long-running crime drama CSI, the big question is whether original star William Petersen will return. No one is commenting but I hear that ...

William Petersen is back in the role that made him famous. The actor is best known as forensics expert Gil Grissom on the CBS crime drama CSI.Now he’s bringing Gil and a new team back in the ...

William Petersen is leaving CSI: Crime Scene Investigation, a move that might have fans of his brainy crime buster Gil Grissom screaming bloody murder. The air date for his final episode, the ...