• 
  Emer McCourt

  E4a 2
• 
  David Calder
• 
  Kevin Stoney

  Judge Kelly
• 
  Michael O'Hagan

  Special Branch Superintendent i/c Registry
• 
  Rod Arthur

  Intelligence Officer
• 
  Jack Shepherd

  John Stalker
• 
  Stevan Rimkus

  The IRA Informant
• 
  Tony Mathews

  H.M. Inspector of Constabulary for the North West

• 
  Peter Cellier

  MI5 Officer
• 
  Daragh O'Malley

  Constable "1".
• 
  Ian McElhinney

  Assistant Chief Constable Trevor Forbes
• 
  Des McAleer

  CID Superintendent Jimmy Richards
• 
  John Saint Ryan

  Detective Inspector John Simons
• 
  Philip Bretherton

  Detective Inspector Ron Gaffey
• 
  B.J. Hogg

  E4a 3

• 
  Denys Hawthorne

  Professor Marshall
• 
  Peadar Lamb

  Mr. Tighe
• 
  Barbara Marten

  Stella Stalker
• 
  Gerard Horan

  E4a informant handler 1
• 
  William Ilkley

  Prison Warder
• 
  Nick Stringer

  Kevin Taylor