Characters played by Jewel Staite
Cassie Cranston
Characters played by Ennis Esmer
Adam Mitchell
Characters played by Lauren Lee Smith
Heather Mitchell
Characters played by Katharine Isabelle
Alice Solomon
Characters played by Mark O'Brien
Bruce Buck
Characters played by Tommie-Amber Pirie
Polly Murray
Characters played by Jonas Chernick
Chester O'Connell
Characters played by James McGowan
Spencer Goode
Characters played by Kristian Bruun
Seth Parsons
Characters played by Gugun Deep Singh
Gus
Characters played by Zoe Cleland
Young Cassie
Characters played by Natalie Brown
Anna
Characters played by Lauren Holly
Mauren Cranston
Characters played by Noah Cappe
Otis
Characters played by Christine Horne
Ellie
Characters played by Rosemary Dunsmore
Seth's Mother
Characters played by Jessica Greco
Dr. Valsky
Characters played by Deborah Lobban
Georgina
Characters played by Jessica Clement
Young Alice
Characters played by Marc-Anthony Sarria
Young Bruce
Characters played by David Maclean
Michael Roberts
Characters played by Hershel Blatt
Young Chester
Characters played by Alex Harrouch
Young Adam
Characters played by Torianna Lee
Young Heather
Characters played by Mary Krohnert
Mrs. Parker
Characters played by Sophi Knight
Young Polly
Characters played by Jacob Raymond
Daily
Characters played by Seamus Patterson
Young Seth
Characters played by James O'Kane
Walter