Guest Stars Brian Dietzen as Assistant Medical Examiner Dr. Jimmy Palmer Troian Bellisario as Sara McGee Conor O'Farrell as William Danforth John L. Adams as EMT Seth Patterson Evan Helmuth as EMT Jeff Beilsman Brandon Largent as Corporal Kenneth Miller Michael Holden as Dr. Wayne Dobson Co Starring Stephanie Mello as Cynthia Sumner Ellen Hollman as NCIS Special Agent Tina Larsen Jeremy Brandt as Corpsman