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