CSI: Vegas: Paul Guilfoyle returning as Jim Brass for revival May 3, 2021 by: CSI was the biggest thing on television for well over a decade, so it's not exactly a huge surprise that CBS officially announced that they would be bringing the crime drama back. The revival will see William Petersen and Jorja Fox returning as Gil Grissom and Sara Sidle, respectively, but they aren't the only franchise veterans who will be back for more. Deadline has reported that Paul Guilfoyle, who played Jim Brass in the original series, will be back for CSI: Vegas. Unfortunately, Guilfoyle won't be a series regular as he's only slated to return for two episodes. The outlet has also reported that Jamie McShane (