• 
  Sophia Di Martino

  Helena
• 
  Haruka Abe

  Miko
• 
  Sean Lock

  Nathaniel
• 
  Sinead Matthews

   Jenny (36 episodes, 2005-2011)
• 
  Mick Miller

  Keith
• 
  Hanne Steen

  Carmel
• 
  Joanna Neary

  Judith
• 
  Ben Crompton

  Colin

• 
  Tom Goodman-Hill

  PC
• 
  Andrew Lee Potts

  Lee
• 
  Ryan Pope

  Psycho Paul
• 
  Nicola Reynolds

  Nicki
• 
  Johnny Vegas

  Moz
• 
  Graham Duff

  Brian
• 
  Haruka Kuroda

  Yasuko

• 
  David Sant

  Cartoon Head
• 
  Seymour Leon Mace

  Steve
• 
  Alfie Joey

  Derrick