• 
  Darcey Bussell

  Herself
• 
  Jimmy Carr

  Himself - Presenter
• 
  Noel Fielding

  Himself - Contestant
• 
  Mel Giedroyc

  Herself - Contestant
• 
  Alesha Dixon

  Herself
• 
  Chris Kamara

  Himself
• 
  Richard Ayoade

  Himself - Contestant
• 
  Kevin McCloud

  Himself

• 
  Gareth Malone

  Himself
• 
  Jessica Ennis

  Herself (as Jessica Ennis-Hill)
• 
  The Children of Mitchell Brook Primary School

  Themselves
• 
  Joey Essex

  Himself
• 
  Perrie Edwards

  Herself (as Little Mix)
• 
  Little Mix

  Themselves
• 
  Jesy Nelson

  Herself (as Little Mix)