Special Guest Stars Sean Astin as Mitchell Morgan Guest Stars Mahershala Ali as Nathan Cley John Pyper-Ferguson as Stanton Parish Lauren Holly as Senator Charlotte Burton Co Starring Jane Moffat as Sandra Bell Adriano Sobretodo Jr. as Mimic Alpha Eileen Li as Nurse Marnie Robinson as Woman in Blue Dress Gavin Fox as Caretaker Richard Blackburn as Doctor Danny Waugh as Customs Official Kieran Gallant as DOD Analyst