CSI: Crime Scene Investigation (season 7)


The seventh season of premiered on CBS on September 21, 2006 and ended May 17, 2007. The series stars William Petersen and Marg Helgenberger.

Plot

Catherine heads to a small town in Nevada as Grissom and Sara continue their affair, in the seventh season of CSI. Supervised by Grissom and Willows, the Las Vegas Crime Scene Investigators face both personal and professional challenges as Grissom says goodbye, and new CSI Michael Keppler joins the team, as they investigate the bizarre, the brutal, and the unprecedented, including a chainsaw massacre, a death at a church, a kidnapping, a series of miniature killings, the death of identical twins, and the return of a 1970s Mob Boss to Vegas. Meanwhile, Catherine faces the loss of her father, Greg is assaulted, Keppler faces his past, and the team attempt to hide their amusement when a man is found trapped in concrete.

Cast

Changes

Louise Lombard joins the main cast, and departs at the season's end.

Main cast

Guest cast