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 Rachael Harris Sheryl Guest Star Nadine Djoury Peggy Sue Guest Star Rodrigues A. Williams Dennis Guest Star Betsy Sodaro Nancy Guest Star Stuart Fink Stuart-Cholera Victim Guest Star Nigel Downer Nigel-Cholera Victim Guest Star Arthur Holden Creepy Dirk-Cholera Victim Guest Star K.C. Coombs Sondra-Patron 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 John Timothy Writer Katie Locke O'Brien Director