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 John Hartman Nigel Chessum Guest Star Julius Cho Neal Guest Star Mark Linn-Baker Henry Guest Star Betsy Sodaro Nancy Guest Star Marcel Jeannin Doctor - Ghost Guest Star Cat Lemieux Cat - Cholera Victim Guest Star Nigel Downer Nigel - Cholera Victim Guest Star Arthur Holden Creepy Dirk - Cholera Victim Guest Star Stuart Fink Stuart - Cholera Victim Guest Star Joe Port Executive Producer, Writer Joe Wiseman Executive Producer, Writer 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 Blickstead Writer Lauren Bridges Writer Katie Locke O'Brien Director Trey Kollmer Writer Trent O'Donnell Director Kim Gatewood Director