Special Guest Stars JoBeth Williams as Scientist Guest Stars Keir O'Donnell as Evan Blake Jesse Hutch as Rex Chapman Christopher Heyerdahl as Edmund Spencer Grammer as Laura Chapman Liam Hughes as Billy Chapman Co Starring Jill Morrison as Faye Quinton Boisclair as Skinwalker Paul Almeida as Mr. Porter Craig Erickson as Lab Technician Fernanda Alcantara as Mrs. Porter Atlee Smallman as Frankie Porter