• 
  Alex Kirby

  regizor
• 
  John Coombes

  regizor

• 
  Felicity Jones

  Ethel Hallow
• 
  Christian Coulson

  Ben Stemson
• 
  Georgina Sherrington

  Mildred Hubble
• 
  Bobby Barry

  Nick Hobbes
• 
  Kate Duchêne

  Miss. Hardbroom
• 
  Jaye Griffiths

  Professor Jenny Wendle

• 
  Jessica Fox

  Enid Nightshade
• 
  Sacha Dhawan

  Azmat Madari
• 
  Jenny Galloway

  The Beetle
• 
  Abeille Gélinas

   Cas Crowfeather (13 episodes, 2001-2002)
• 
  Eric Loren

   Andy Starfinder (8 episodes, 2001-2002)
• 
  Charmian May

   Alicia Thunderblast (11 episodes, 2001-2002)
• 
  Kent Riley

   Tim Wraithewight (13 episodes, 2001-2002)

• 
  John Rogan

   Jonathan Shakeshaft (8 episodes, 2001-2002)
• 
  Milo Twomey

  3 episodes, 2002
• 
  Heather Wright

  5 episodes, 2001-2002
• 
  Stephanie Lane

  4 episodes, 2001-2002