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 Kathryn Greenwood Margaret Farnsby Guest Star Mark Linn-Baker Henry Farnsby Guest Star John Hartman Nigel Chessum Guest Star Betsy Sodaro Nancy Guest Star Lindsey Broad Judy Guest Star Stuart Fink Stuart -- Cholera Victim Guest Star Nigel Downer Nigel -- Cholera Victim Guest Star Arthur Holden Creepy Dirk -- Cholera Victim Guest Star Christian Daoust Jenkins Guest Star Larry Day Josh Guest Star Jayne Heitmeyer Leanne Guest Star Vartan Other Ivar 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 Cortney Carrillo Director