Special Guest Stars Carol Kane as Gwen Munch Nick Stahl as Peter Harrison Guest Stars Erica Bradshaw as Clerk Mike Doyle as Forensics Tech Ryan O'Halloran Judith Light as Elizabeth Donnelly Diane Cossa as Doctor Noel Fisher as CSU Tech Dale Stuckey Lizette Carrion as Assistant D.A. Kristen Torres Kelly Bishop as Julia Zimmer Ronald Guttman as Prof. Edgar Radzinski Kevin Carolan as Paul Tim Bohn as Jacob Nauss Jefferson Slinkard as Alan Uncredited Steve Zirnkilton voices Opening Narration