Guest Stars Jonathan Goad as Christian Doyle Joel Thomas Hynes as Taylor Gossad Jason Gray-Stanford as Blake Brogan Aaron Abrams as Dr. Jon Ronan Natasha Henstridge as Inspector Valerie O'Brien Luke Kirby as Clyde Cowley Liane Balaban as Ruby Rennette Shaun Majumder as Benny Natche Dwain Murphy as Theo Dacosta Co Starring Steve O'Connell as Sergeant Daniel Hood Sean Panting as Walter McLean Aiden Flynn as David Purcell Megan Kennedy as Roxy