Guest Stars Rachel Wilson as Dr. Nikki Renholds Michelle Nolden as Allison Jenkins Rick Roberts as William Cadigan Clarke Adam Butcher as Dylan Don McKellar as J.J. Murphy Co Starring Steve O'Connell as Sergeant Daniel Hood Sean Panting as Walter McLean Aiden Flynn as David Purcell Ruby Joy as Chantel Joshua Close as Tyler Clé Bennett as Stan Bittman Jeff Pustil as Kent Maddox James Stuart MacDonald as Ryan Laura-Marie Smith as Rhonda Stride Janelle Hickey as Jill