Special Guest Stars Vincent Spano as FBI Special Agent Dean Porter Frankie Faison as FBI Agent Tom Nickerson Kim Delaney as Captain Julia Millfield Guest Stars Mike Doyle as Forensics Tech Ryan O'Halloran Michael Weston as Simon Marsden Rick Zahn as Police Chief Chance Kelly as State Trooper Lawley John Rue as Desk Sergeant Ludlow Josh Casaubon as Michael Thatcher Catrina Ganey as Nurse Parmenter Alex Wipf as Dr. Pressman Graham Winton as RPB Food Distributors Owner Kathryn Hays as Jane Willet-Marcus Maggie Burke as Sharon Marsden Uncredited Steve Zirnkilton voices Opening Narration