• 
  Terry Deary

  Old Davey
• 
  Stuart Brennan

  Craig
• 
  Jim Sweeney

  Bill's Dad (voice)
• 
  Eugene Horan

  Ronan
• 
  Natalia Celino

  Caitlin
• 
  Mark Paul Wake

  Bill
• 
  Derek Wilson

  Zombie
• 
  Rebecca-Clare Evans

  Marcy

• 
  Brooke Burfitt

  Kate
• 
  D.T. Wilson

  Door Breaking Zombie
• 
  David Izatt

  Zombie
• 
  Farah Ahmed

  Zombie
• 
  Craig J. Seath

  Zombie
• 
  Rosie Willis

  Zombie
• 
  Isabella Caley

  Lauren

• 
  Victoria Morrison

  Seren
• 
  Ion Ridge

  Lifeguard
• 
  Samantha Hindman

  Bill's Mum (voice)
• 
  Harley Morrison

  Zombie
• 
  Kirsten Bell

  Zombie
• 
  Candice Weir

  Radio Announcer
• 
  Abigail Morton

  Zombie Growler
• 
  Phil Allen

  Zombie Growler
• 
  Tammie Allan

  Zombie
• 
  Niamh Barr

  Zombie
• 
  Qaasim Ali

  Zombie
• 
  Adel Ali

  Zombie
• 
  Thomas Coombes

  David