Marg Helgenberger is officially back on the (crime) scene, having inked a deal to reprise her role as Catherine Willows on CBS’s CSI: Vegas. The franchise vet — whose absence from the revival series’ first season was addressed in the opening episode — starred in the first 12 seasons of the original CSI, and returned briefly in its’ 14th/final season to commemorate the show’s 300th episode.
