Special Guest Stars Melissa Leo as Nurse Pam Guest Stars Siobhan Fallon Hogan as Arlene Moran Christopher Meyer as Mario Emma Tremblay as Lucy Armstrong Michael Garza as Frank Armstrong Co Starring Tyronne L'Hirondelle as Whistling Man / Dale Julian LeBlanc as Lab Tech Emily Schutz as Dana McKinney Kyla Matthews as Julie Jackson Alexa McKinnon as Flirty Student Marissa Miller as Riley Ford Julian Grey as Young Jason (10) Dean Petriw as Young Jason (5) Murat Kocaoglu as Soldier #1 Grayson Maxwell Gurnsey as Soldier #2 Mia Fiona Kut as Nurse
