Guest Stars Brian Dietzen as Assistant Medical Examiner Dr. Jimmy Palmer Tamara Taylor as NCIS Special Agent Cassie Yates Steven Eckholdt as Navy Cmdr. Dr. Brad Pitt Mariette Hartley as Hanna Lowell Rizwan Manji as Dr. Pandy Olivia Burnette as Sarah Lowel Kelsey Oldershaw as Navy Nurse Lt. Emma Ingham Co Starring Ty Upshaw as Security Guard Bibi Amos as Receptionist