Rotten Ralph

• 
  Jennifer Seguin
  Caillou's Mom
• 
  Harry Standjofski
  Naughty Nathan
• 
  Brigid Tierney
  Sarah
• 
  Rick Jones
  Rotten Ralph
• 
  Daniel Brochu
  Cousin Percy
• 
  Mark Camacho
  Grimmer's Dad, Limping Lars

• Eleanor Noble
• Arthur Holden
• Liz MacRae
• John Stocker
• Richard M Dumont
• Jaclyn Linetsky
• Sonja Ball
• Terrence Scammell
• Justin Bradley
• A.J. Henderson
• Susan Glover
• Helena Evangeliou

• Tim Harper

• Jack Gantos
  ...
  (creator)
• Nicole Rubel
  ...
  (creator)
• Erika Strobel
  ...
  (writer)
• James Backshall
• Jill Golick
  ...
  (writer)
• Shane MacDougall
  ...
  (writer)
• Briane Nasimok
  ...
  (writer)
• Kenn Scott
  ...
  (writer)