Rose McIver Samantha Actor Utkarsh Ambudkar Jay Actor Brandon Scott Jones Isaac Actor Richie Moriarty Pete Actor Danielle Pinnock Alberta Actor Asher Grodman Trevor Actor Román Zaragoza Sasappis Actor Sheila Carrasco Flower Actor Rebecca Wisocky Hetty Actor Devan Chandler Long Thorfinn Actor Tristan D. Lalla Mark - Contractor Guest Star Cat Lemieux Cat - Cholera Victim Guest Star Arthur Holden Creepy Dirk - Cholera Victim Guest Star Heidi Foss Police Officer #2 Guest Star Joe Port Executive Producer Joe Wiseman Executive Producer Mathew Baynton Executive Producer Jim Howick Executive Producer Simon Farnaby Executive Producer Laurence Rickard Executive Producer Ben Willbond Executive Producer Martha Howe-Douglas Executive Producer Alison Carpenter Executive Producer Debra Hayward Executive Producer Alison Owen Executive Producer Angie Stephenson Executive Producer Josh Malmuth Writer Trent O'Donnell Director