• 
  Rupert Everett

   Dr. Hendrick (3 episodes, 2017)
• 
  Geoffrey McGivern

   Landlord (4 episodes, 2017)
• 
  Rory Kinnear

   Robert (6 episodes, 2017)
• 
  Lisa Jackson

   Mina (3 episodes, 2017)
• 
  Lydia Leonard

   Caroline (6 episodes, 2017)
• 
  Tom Basden

   John (6 episodes, 2017)
• 
  Mathew Baynton

   William (6 episodes, 2017)
• 
  Ed Gaughan

   Peters (4 episodes, 2017)

• 
  Roger Ashton-Griffiths

  2 episodes, 2017
• 
  Selina Griffiths

  2 episodes, 2017
• 
  Robin Hooper

  2 episodes, 2017
• 
  Andy Linden

  2 episodes, 2017
• 
  Dominique Moore

  2 episodes, 2017
• 
  Marcia Warren

  2 episodes, 2017
• 
  Fenella Woolgar

  2 episodes, 2017

• 
  Osi Okerafor

  2 episodes, 2017
• 
  Rebecca Gethings

  2 episodes, 2017
• 
  Ben Willbond

  2 episodes, 2017
• 
  Miranda Hennessy

  2 episodes, 2017
• 
  Milly Thomas

  2 episodes, 2017
• 
  Sarah Hoare

  2 episodes, 2017