Characters

• 

  Mr. Puttnam/Distant Future Mark/Mr. Puttnam's Father

  Played by: George Alexander
• 

  Katy/Whoops

  Played by: Brandie Mickleborough
• 

  Mark/Haha

  Played by: Jeremy Drummond
• 

  Ellen/Leonard

  Played by: Coral Crum
• 

  Ivan/Sparky

  Played by: Billy Morton
• 

  Benjamin

  Played by: Rosco Bell
• 

  Benjamin (Voice)

  Played by: Rosco Bell
• 

  Caldicott/Alien/Santa Rat

  Played by: John Wilson