Special Guest Stars Toby Jones as David Pilcher / Dr. Jenkins Guest Stars Siobhan Fallon Hogan as Arlene Moran Christopher Meyer as Mario Emma Tremblay as Lucy Armstrong Michael Garza as Frank Armstrong Sarah Grey as Abigail Co Starring Rochelle Okoye as Female Abby / Margaret Donny Lucas as Victor / Tech Amitai Marmorstein as Oscar Tyronne L'Hirondelle as Whistling Man / Dale Kate Bateman as Nancy Tyson Bellusci as Ramsey David Raynolds as Drake Jaime Callica as Husband Darren Mann as Kyle Tina Georgieva as Meadow Jennifer-Juniper Angeli as Dale's Wife Sarah Boey as Dale's Daughter Anthony Shudra as Dale's Older Son Françoise Yip as Sharon Marissa Miller as Riley Ford Christian Michael Cooper as Dale's Younger Son Naika Toussaint as Wife Emily Schutz as Dana McKinney Alexa McKinnon as Flirty Student Derek Green as Nathanniel Simms Corina Akeson as Emily Simms Jason McKinnon as Hospital Official Lisa Bunting as Headmistress
