Guest Stars Michael B. Silver as Sgt. Kanter Harris Danny Mastrogiorgio as Det. Anthony Fucci Stephen Rider as Officer Zack Clark Travis Van Winkle as Det. Ryan Stock Andrew Polk as Doug the Medical Examiner Campbell Scott as Pasternack Emily Swallow as Allyson Portman Jeremy Shamos as Dr. Wells Al Thompson as Barry Starr Ashlei Sharpe Chestnut as Theresa Alex Kramer as Timothy T. Ryder Smith as Dr. Martin Portman Co Starring John Mainieri as Det. Jimmy Marino Aaron Roman Weiner as Bernard Rudolf Ann Sanders as Dr. Parlee Alexander Salamat as Bill Andrew Pang as MRI Tech Don Noble as Dan Nemuna Ceesay as Receptionist