Guest Stars Michael Curran-Dorsano as Gator Mejia Kevin Michael Martin as Eric Miller Bren Foster as SCPO Wolf Taylor Ben Cho as Carl Nishioka Maximiliano Hernández as Doc Rios Fay Masterson as Andrea Garnett Cameron Fuller as Wright Ness Bautista as Javier Cruz Chris Sheffield as Comms Officer Will Mason Andy T. Tran as Lt. Andy Chung Mark Moses as President Jeff Michener Paul James as O'Connor Hope Olaide Wilson as Bertrise Bruce Nozick as Dr. Milowsky Chris Marrs as Engineer Lynn Inbar Lavi as Lt. Ravit Bivas Tania Raymonde as Valerie Raymond Shamar Sanders as BMOW / Helmsman Mark Rhino Smith as Ian Stephen Monroe Taylor as Flea Sidney Brown as Sailor Keith Jardine as Immune Prisoner #2 Tait Fletcher as Immune Prisoner #3 Alan Smyth as Rachel's Dad Elizabeth Ann Bennett as Rachel's Mom Mark Kubr as Armed Human Michael Balsley as Pastor Naomi Lull as Young Rachel Noro Otitigbe as Doctor Cody Arbuckle as Walker