Guest Stars Susan Misner as Leah Mayne Christine Lakin as Rachel Wells Michael Edward Rose as Marine Major Gordon Holcomb Lauren Sánchez as NCIS Agent Sanchez Virginia Watson as Nurse Ruth Corruthers Joe Guzaldo as Pete Iger Alex Hyde-White as Dr. Adam Tallridge Randy Vasquez as NCIS Agent Roger Voight John Edward Lee as Former Marine Sergeant Matthew Gontz Robert Maxhimer as National Park Officer Will Elliott Ryan McCann as Former 1st Lieutenant John Mayne Wolfgang Bodison as National Park Inspector Edward Killian Sarah Lewis as I.C.U. Doctor
