Sarah/Beth

Tatiana Maslany

Felix

Jordan Gavaris

Detective Arthur 'Art' Bell

Kevin Hanchard

Paul Dierden

Dylan Bruce

Siobhan 'Mrs. S' Sadler

Maria Doyle Kennedy

Ira

Ari Millen

Donald 'Donnie' Hendrix

Kristian Bruun

Delphine Cormier

Evelyne Brochu

Scott Smith

Josh Vokey

Kira Manning

Skyler Wexler

Ferdinand Chevalier

James Frain

Kendall Malone

Alison Steadman

Interviewer

George Stroumboulopoulos

Professor Susan Duncan

Rosemary Dunsmore

Dr. Aldous Leekie

Matt Frewer

Olivier Duval

David Richmond-Peck

Peaches

Peaches

Dizzy

Joel Thomas Hynes

Dr. Henry Bosch

Dmitry Chepovetsky

Victor 'Vic' Schmidt

Michael Mando

Evie Cho

Jessalyn Wanlim

Adele

Lauren Hammersley

Young Rachel / Charlotte

Cynthia Galant

Detective Angela "Angie" Deangelis

Inga Cadranel

Astrid

Sarain Boylan

Detective Martin "Marty" Duko

Gord Rand

Troy Collier

Joe Pingue

Benjamin Kertland

Julian Richings

Lieutenant Gavin Hardcastle

Ron Lea

Gracie Johanssen

Zoé De Grand Maison

Trainer

Lamont James

Hell Wizard

Calwyn Shurgold

Sarah Stubbs

Terra Hazelton

Trina

Allie MacDonald

Gemma Hendrix

Millie Davis

Roxie

Miranda Edwards

Dr. Virginia Coady

Kyra Harper

Frank

Ian Matthews

Oscar Hendrix

Drew Davis

Colin

Nicholas Rose

Aynsley Norris

Natalie Lisinska

Dr. Alan Nealon

Tom McCamus

Reverend Mike / Reverend Mike (voice)

Ryan Blakely

Simon Frontenac

Andrew Moodie

Percival "P. T." Westmorland

Stephen McHattie

Cal Morrison

Michiel Huisman

Daniel Rosen

Matthew Bennett

Bonnie Johanssen

Kristin Booth

Ethan Duncan

Andrew Gillies

Shay Davydov

Ksenia Solo

The Messenger

Géza Kovács

Detective Maddy Enger

Elyse Levesque

Sister Irina

Eileen Sword

Tomas

Daniel Kash

Bobby

Diana Salvatore

Henrik "Hank" Johanssen

Peter Outerbridge

Marci Coates

Amanda Brugel

Dr. Ian Van Lier

Scott Wentworth

Mud

Jenessa Grant

Aisha Yasin

Sirena Gulamgaus