Guest Stars Chantal Thuy as Grace Choi Jennifer Riker as Dr. Helga Jace Jahking Guillory as Brandon Co Starring Christopher Ammanuel as Baron / TC Katy O'Brian as Major Sara Grey Boone Platt as Sergeant Gardner Grayle Gabriella Garcia as Erica Moran Euseph Messiah as Nurse Michael Allen Brandon Hirsch as Dr. Matthew Blair Thomas K. Belgrey as Colonel Yuri Mosin
