Guest Stars Andrew Terraciano as Sean Reagan Abigail Hawk as Det. Abigail Baker Gregory Jbara as DCPI Garrett Moore Robert Clohessy as Sid Gormley Steven R. Schirripa as Anthony Abetemarco Ian Quinlan as Officer Luis Badillo Peter Hermann as Jack Boyle Will Hochman as Joseph "Joe" Hill Annabella Sciorra as M.E. Faith Marconi Mather Zickel as Dr. Leonard Walker Blake Morris as FBI Agent Jeff Green Sam Morales as Rosanna Diaz Samantha Blaire Cutler as Jennifer Carpenter Kadia Saraf as Dr. Walker's Lawyer Brian McCormack as Martin Langley Blake Roman as Peter Co Starring Afsheen Misaghi as Orderly #2 Judith Franklin as Secretary Janira Reyes as Iris Tragadara Tyra Medina as Nurse Olivia Koukol as Melanie Nichalas Parker as Orderly #1 Walker Dent as Joe Reagan (3-4 years old) Oliver Shepard as Joe Reagan (7-8 years old) Jonah McDonald as Joe Reagan (Teenager) Marc Reign as Julia Tragadara