• 
  Elizabeth Kirkby

  3 episodes, 2016-2017
• 
  Ellie Cannon

  4 episodes, 2016-2017
• 
  Jane Monckton-Smith

  3 episodes, 2016-2019
• 
  Donna Youngs

  7 episodes, 2019
• 
  Pablo Raybould

   Detective Inspector Neil Jones (1 episode, 2016)
• 
  Samantha Phelps

   Genene Jones (1 episode, 2016)
• 
  Mollie Fyfe-Taylor

   Senior Nurse (1 episode, 2016)
• 
  Angie Adler

   Beverley Allitt (1 episode, 2016)

• 
  Angus King

   Colin Norris (1 episode, 2016)
• 
  James Butler

   Niels H (1 episode, 2016)
• 
  Rebecca Gardner-Tildesley

   Relative (1 episode, 2016)
• 
  Alex Kapila

   Nurse Manager (1 episode, 2016)
• 
  Victoria Broom

  2 episodes, 2016
• 
  Dee Anand

  2 episodes, 2016
• 
  Ethan Taylor

  2 episodes, 2016

• 
  Sarah Jarvis

  6 episodes, 2019
• 
  Colin Sutton

  Self - Former Detective
• 
  Andrew Brian Smith

  Doctor
• 
  Jo Rodriguez

  Self - Psychologist
• 
  Charlotte Hunter

  Daniella Letter
• 
  Uli Hesse

  Self - Reporter
• 
  Graham Hill

  Self - Former Det. Supt.
• 
  Christopher Hotten

  Self - QC
• 
  Carolyn Canville

  Self - Journalist
• 
  Christian Jessen

  Self - Medical Commentator