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 Tyler Reign as Paramedic #1 Jordan Gelber as CSU Tech Layton Erik Palladino as Detective Dave Deuthorn Jason Ritter as Billy Baker Ian Somerhalder as Charlie Baker Jeff Talbott as General Manager Frank Langella as Al Baker Susan Elaine Knight as Neurosurgeon Richard Bekins as Earl Briggs Ciara Hughes as Marie Douglas George McDaniel as Harold Darling Don Sparks as Renny Nix Ben Hauck as Paul Dumont Freddy Bastone as Ralph Sloan Andrew McGinn as Detective Stubel Jen Ordham as Tara Burnett Karen Trott as Brenda Nix Edward Sears as Josh Uncredited Steve Zirnkilton voices Opening Narration
