Where Is Catherine Willows aka Marg Helgenberger on 'CSI: Vegas'?
CSI: Vegas Season 2 Premiere First Look: Catherine Willows is Back! - TV Fanatic
Marg Helgenberger In Early Talks To Return as Catherine Willows in 'CSI: Vegas': Photo 4699321 | CSI, csi las vegas, csi vegas, Marg Helgenberger, Television Photos | Just Jared: Entertainment News
CSI: Vegas': Marg Helgenberger Is Officially Reprising Her Role as Catherine in Season 2