Guest Stars Tamara Tunie as Dr. Melinda Warner, M.E. Caren Browning as CSU Captain Judith Siper Welly Yang as CSU Tech Georgie Susie Dylan as Receptionist Jordan Gelber as CSU Tech Layton Erik Palladino as Detective Dave Deuthorn Jason Ritter as Billy Baker Ian Somerhalder as Charlie Baker Frank Langella as Al Baker George McDaniel as Harold Darling Ciara Hughes as Marie Douglas Richard Bekins as Earl Briggs Edward Sears as Josh Karen Trott as Brenda Nix Jen Ordham as Tara Burnett Andrew McGinn as Detective Stubel Susan Elaine Knight as Neurosurgeon Freddy Bastone as Ralph Sloan Ben Hauck as Paul Dumont Don Sparks as Renny Nix Jeff Talbott as General Manager Tyler Reign as Paramedic #1 Uncredited Steve Zirnkilton voices Opening Narration
