• 
  Lauren Holly

  Mauren Cranston
• 
  Jewel Staite

  Cassie Cranston
• 
  Lauren Lee Smith

  Heather Mitchell
• 
  Christine Horne

  Ellie
• 
  Noah Cappe

  Otis
• 
  Jonas Chernick

  Chester O'Connell
• 
  Jessica Greco

  Dr. Valsky
• 
  Katharine Isabelle

  Alice Solomon

• 
  Natalie Brown

  Anna
• 
  James McGowan

  Spencer Goode
• 
  Ennis Esmer

  Adam Mitchell
• 
  Tommie-Amber Pirie

  Polly Murray
• 
  Mark O'Brien

  Bruce Buck
• 
  Kristian Bruun

  Seth Parsons
• 
  Sophi Knight

  Young Polly

• 
  Jessica Clement

  Young Alice
• 
  Alex Harrouch

  Young Adam
• 
  Torianna Lee

  Young Heather
• 
  Hershel Blatt

  Young Chester
• 
  Rosemary Dunsmore

  Seth's Mother
• 
  Zoe Cleland

  Young Cassie
• 
  Gugun Deep Singh

  Gus