• 
  Kelly-Marie Murtha

   Speech Therapist #1 (5 episodes, 2015)
• 
  Lipe Viana

   Lipe (9 episodes, 2015)
• 
  Nancy Mamais

  Mother
• 
  John Marcucci

  Troy
• 
  Peter Mazzucco

  Speech Therapist #3
• 
  Rick Gomes

  Father
• 
  Joshua Browne

  Speech Therapist #7
• 
  Valentyn Korotkevych

  Crew Member

• 
  Meagan Tuck

  Speech Therapist #2
• 
  Beverley Ellis

  Leona Laville
• 
  Dawn Sadler

  Ellen Goldfarb
• 
  Drew Taylor

  Manager
• 
  Jessie Arora

  Production Assistant
• 
  Alexandra Augustine

  Skye
• 
  Michelle D'Alessandro Hatt

  Casting Director

• 
  Mark Nuttall

  Toby
• 
  James O'Connor

  Ritscher
• 
  April Lee

  Agent (Ling)