• 
  Ziad El-Hady

  1 episode, 2018
• 
  Martin Clunes

  DCI Colin Sutton
• 
  Shai Matheson

  1 episode, 2018
• 
  Hiten Patel

  1 episode, 2018
• 
  Paul Blackwell

  1 episode, 2018
• 
  Claudie Blakley

  1 episode, 2018
• 
  Steffan Rhodri

  1 episode, 2018
• 
  Tracy Wiles

  1 episode, 2018

• 
  Deeivya Meir

  1 episode, 2018
• 
  James Thorne

  1 episode, 2018
• 
  Russ Bain

  1 episode, 2018
• 
  Jemima Woolnough

  1 episode, 2018
• 
  Christopher Fulford

  1 episode, 2018
• 
  Katie Lyons

  1 episode, 2018
• 
  James Puddephatt

  1 episode, 2018

• 
  Stephane Cornicard

  2 episodes, 2019
• 
  Peter Forbes

  3 episodes, 2019
• 
  Celyn Jones

  2 episodes, 2019
• 
  Howard Ward

  2 episodes, 2019
• 
  Steve Furst

  3 episodes, 2019
• 
  Nicholas Burns

  3 episodes, 2019
• 
  Philip McGinley

  3 episodes, 2019
• 
  Cornelius Booth

  3 episodes, 2019
• 
  Stephen Wight

  3 episodes, 2019
• 
  Jay Taylor

  3 episodes, 2019
• 
  Anna Burnett

  2 episodes, 2019
• 
  Michèle Belgrand-Hodgson

  2 episodes, 2019
• 
  Temi Wilkey

  2 episodes, 2019