They needed Grissom and Sara’s expertise to do that. During CSI: Vegas Season 2, they brought Catherine (Marg Helgenberger) back to have another legacy character to entice long-time characters.

Marg Helgenberger as Catherine Willows, Paula Newsome as Maxine Roby and Mandeep Dhillon as Allie Rajan in ‘CSI: Vegas’ season 2 episode 15 (Photo: Aaron Epstein ...

CSI: Vegas is bringing back another cast member from the original show for its ongoing second season. As reported ... for fans to see him reunite with Marg Helgenberger's Catherine Willows.

Panicked execs on CSI: Vegas are spoiling Marg Helgenberger rotten ... agree to serve as an executive producer on season 2 starring his old costar Helgenberger. It's all over all right.

Hey, “CSI: Vegas” fans ... and son on the CBS Original series CSI: VEGAS.” The season regulars that will be featured in episode 7 are: Paula Newsome as character (Maxine Roby), Marg Helgenberger as ...

More from Deadline 'CSI: Las Vegas': Marg Helgenberger Missed Catherine Willows But "I Wanted To Make Sure There Was A Reason She Would Come Back To The Job" 'CSI: Vegas': Sara Amini & Joel Johnstone ...

Showrunner Jason Tracey dishes to ET about the perks of having Catherine Willows back in the 'CSI' universe. Marg Helgenberger steps back into the shoes of Catherine Willows on CSI: Vegas, and ...

"Marg Helgenberger ... through the 12th season, mostly because I felt like I was ready to go, as great as the job was," Helgenberger said of her original departure from CSI in 2012.