"Marg Helgenberger is a legend and Catherine Willows is a character that I could not wait to write," showrunner and executive producer Jason Tracey told ET's Will Marfuggi in June. "That voice is ...

Catherine Willows ( Marg Helgenberger) is a beloved legacy character from the original CSI franchise, and she recently returned to CSI: Vegas. Helgenberger has teased she needed an excellent storyline ...

Fans of the hit forensic show will be pleased to hear the news of the Marg Helgenberger CSI return. After retiring from the show in January 2012 after 12 seasons since 2000, Helgenberger's Catherine ...

"Everybody has been excruciatingly welcoming, excessively welcoming," Helgenberger told reporters Friday during CBS' virtual Television Critics Association press tour. "I feel the love. I feel their ...

Marg Helgenberger steps back into the shoes of Catherine Willows on CSI: Vegas, and only ET was on location in Las Vegas, Nevada, while they filmed Thursday's season 2 premiere to welcome the veteran ...