Ian Weir Creator, Executive Producer Rossif Sutherland Karl Alberg Actor Kristin Kreuk Cassandra Lee Actor Marcia Gay Harden Mayor Christie Holman Actor Bethany Brown Corporal Laila Jackson Guest Star Aaron Douglas Sergeant Sid Sokolowski Guest Star Marci T. House Dr. Angela Clyborn Guest Star Savonna Spracklin Isabella Harbud Guest Star Fiona Vroom Phyllis Diaz Guest Star Ellie Harvie Debbie Blackwell Guest Star Darien Martin Daniel Moon Guest Star Katie Findlay Parker Lamont Guest Star Raf Rogers Jeremy Sanderson Guest Star MacKenzie Porter Gracie Westing Guest Star Thomas Cadrot Jade Solanis Guest Star Chris Carson Brendan Jeffries Guest Star Sophia Powers Liza Sokolowski Guest Star Jodelle Ferland Vanessa Guest Star Brandon Giddens Officer Tyler Larkin Guest Star Milan Cheylov Executive Producer Nick Orchard Executive Producer Morris Ruskin Executive Producer Sharon Wisnia Executive Producer Jon Cotton Executive Producer