• 
  Dave Hill

  Gerry
• 
  Sam Spruell

  Liam
• 
  Rachael Stirling

  Laura
• 
  Rosie Day

  Chloe
• 
  Christopher Simpson

  The Headmaster
• 
  Christopher Hamilton

  Bradley
• 
  Mercedes Grower

  Chrissy
• 
  Alexis Zegerman

  DI Iqbal

• 
  Roger Nsengiyumva

  Jumah
• 
  Fady Elsayed

  Josh
• 
  David Warren

  Constable Warren
• 
  Deon Lee-Williams

  Alex (as Deon Williams)
• 
  Heidi Gowthorpe

  Jo
• 
  Roger Harrison

  Radio Broadcaster (voice)
• 
  Jamie Fallows

  Security Guard (voice)