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 Martin Sims Police Officer - Jim Guest Star Heidi Foss Sue - Police Officer Guest Star Aidan Vissers Robbie Guest Star Christina Filippidis Meg - Zack's Mom Guest Star Zachary Tadmor Zack Guest Star Olivia Yuqian Hu Zoe Guest Star Drew Morelli Trick-or-Treater Guest Star Olivia Viggiani Trick-or-Treater's Mom #1 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 Talia Bernstein Writer Katie Locke O'Brien Director