• 
  James Nesbitt

   Harry (10 episodes)
• 
  Joseph Gatt

   Yury Becker (5 episodes)
• 
  Stephen Hagan

   Rich Clayton (9 episodes)
• 
  Gia Labarbera

  poliţistă
• 
  Dragoș Bucur

  Viktor Mirchev
• 
  Jade Anouka

  Ekua Nkomo
• 
  Imogen Waterhouse

  Lucie
• 
  Kevin Eldon

• 
  Paul Blackwell

   Police Officer (6 episodes)
• 
  Amara Karan

   DS Suri Chohan / ... (5 episodes, 2016)
• 
  Eve Best

   Anna Clayton (6 episodes, 2016)
• 
  Darren Boyd

   DI Steve Orwell / ... (5 episodes, 2016)
• 
  Sienna Guillory

   Eve (6 episodes, 2016)
• 
  Steven Mackintosh

   Detective Superintendent Winter (6 episodes, 2016)
• 
  Jing Lusi

   Lily-Anne Lau (6 episodes, 2016)

• 
  Omid Djalili

   Kalim (5 episodes, 2016)
• 
  Leilah de Meza

   Daisy Clayton (5 episodes, 2016)
• 
  Sendhil Ramamurthy

   Nikhail Julian (7 episodes, 2016)
• 
  Mark Quartley

   Paul Lermentov / ... (6 episodes, 2016)
• 
  Olga Leon

   MIS Detective (6 episodes, 2017)
• 
  Jonathan Kerrigan

   Jonny (7 episodes, 2017)
• 
  Jonathan Aris

   Ralph (10 episodes, 2017)
• 
  Thekla Reuten

   Isabella Augustine (7 episodes, 2017)
• 
  Neve McIntosh

  DSI Gray
• 
  Rupert Penry-Jones

  Blake