• 
  Dave Courtney

  Police Officer 1 (rumored)
• 
  Sonya Roseman

  Sam
• 
  Robert Eames

  EEO1
• 
  Renato Pires

  Teenager (rumored)
• 
  Lexie Lambert

  Amanda
• 
  Daniel Casper

  Boyfriend
• 
  Jeremy Todd

  Council Worker
• 
  Paul Dewdney

  Lone Wolf

• 
  Zoe Hammond

  Child Informer
• 
  Morris Minelli

  Psycho Thinker
• 
  Emma Shearer-Hackett

  Smoking Woman (rumored)
• 
  Paul F Terry

  Shouting Man
• 
  Stephen Yeo

  PC Oliver
• 
  Charles Timson

  Nightmare King
• 
  Paul J. Henry

  Night Hawk

• 
  Shannen M. Turner

  Katie smoking woman
• 
  Fiona Johnston

  Girlfriend (rumored)
• 
  Adam Moloney

  Recruit 2 (rumored)
• 
  Neil Simpson

  Head of MI5 (rumored)
• 
  Renato Pires

  Teenager
• 
  Thomas Twinn

  Recruit 1 (rumored)
• 
  Matt Swann

  Disabled Man
• 
  Sam Foxx

  Bullied Child
• 
  Caroline Guy Roberta

  Smoking Woman
• 
  Murtaza Arif

  MI5 Target
• 
  Alexander Nathan

  MI5 Agent (as Alexander Jones)
• 
  Jack Lamb

  Mental (rumored)
• 
  Matthew Swann

  Disabled Man (rumored)
• 
  Natalie Layla

  DCI Tracy Stanton
• 
  Paul Terry

  Shouting Man (rumored)
• 
  Stuart Hayden

  Jim Enigma 'Spy Master'