• 
  Dave McKean

  regizor

• 
  Di Botcher

  The Mother
• 
  Matthew Aubrey

  Legion
• 
  Michael Sheen

  profesorul
• 
  Darren Lawrence

  Alfie
• 
  David Rees Talbot

  Peter
• 
  Francine Morgan

  Joanne
• 
  Gerald Tyler

  Security Chief

• 
  Hywel Simons

  Company Man
• 
  John-Paul Macleod

  Legion
• 
  Jordan Bernarde

  Garry / Barry
• 
  Kristian Phillips

  Sgt Phillips
• 
  Kyle Rees

  Kyle
• 
  Matt Woodyatt

  Simon
• 
  Nigel Barrett

  The Stranger / Uncle Bryn

• 
  Rhys Matthews

  Rhys - Brother

• 
  Eryl Huw Phillips

  producător
• 
  Lucy Davies

  producător executiv
• 
  Francis Hellyer

  producător executiv
• 
  Keith Potter

  producător executiv