• 
  Ian James Corlett

  Dad
• 
  Kathleen Barr

  Mom
• 
  Louis Chirillo

  Dukey
• 
  Trevor Devall

  (voice)
• 
  Andrew Francis

  Gil
• 
  Maryke Hendrikse

  Susan Test
• 
  Terry Klassen

  (voice)
• 
  Scott McNeil

  Mr. White

• 
  Bill Mondy

  Mr. Black
• 
  Colin Murdock

  (voice)
• 
  Richard Newman

  (voice)
• 
  James Arnold Taylor

  Johnny Test
• 
  Lee Tockar

  Bling Bling Boy
• 
  Cathy Weseluck

  (voice)
• 
  Ashleigh Ball

  Mary Test