• 
  Donal MacIntyre

  3 episodes, 2018
• 
  Steve Taylor

  2 episodes, 2018
• 
  Jonathon Michaels

  2 episodes, 2018
• 
  Sue Hill

  Self - Former Detective Chief Superintendent
• 
  Simon Shuttleworth

  Self
• 
  Howard Groves

  Self
• 
  Kate Meynell

  Self - Detective Chief Superintendent
• 
  Dominic McGrath

  Police Officer

• 
  Bob Taylor

  Self
• 
  Tony Bishop

  Self - Former Met Detective
• 
  Paul Franklin

  Self
• 
  Andy Guy

  Self
• 
  Peter Hall

  Self
• 
  Jim Hodgson

  Self
• 
  Julie Mackay

  Self

• 
  Andy Tattershall

  Self
• 
  Clive Driscoll

  Self
• 
  Martin Brunning

  Self