• 
  Sophie Ward

   Lady Verinder (3 episodes, 2016)
• 
  David Calder

   Mr. Bruff (4 episodes, 2016)
• 
  Sarah Hadland

   Miss Clack (2 episodes, 2016)
• 
  Guy Henry

   Mr. Murthwaite (3 episodes, 2016)
• 
  Madhav Sharma

   Prologue (5 episodes, 2016)
• 
  Jeremy Swift

   Dr. Candy (4 episodes, 2016)
• 
  John Thomson

   Sergeant Cuff (4 episodes, 2016)
• 
  Leo Wringer

   Gabriel Betteredge (5 episodes, 2016)

• 
  Sophie Leigh Stone

   Lucy Yolland (2 episodes, 2016)
• 
  Jane McGrath

   Rosanna Spearman (3 episodes, 2016)
• 
  Stewart Clarke

   Godfrey Ablewhite (5 episodes, 2016)
• 
  Nisa Cole

   Penelope Betteredge (5 episodes, 2016)
• 
  Jag Sanghera

   Guardian (4 episodes, 2016)
• 
  Joshua Silver

   Franklin Blake (5 episodes, 2016)
• 
  Terenia Edwards

   Rachel Verinder (5 episodes, 2016)

• 
  Simon Schatzberger

   Septimus Luker (2 episodes, 2016)
• 
  Mike Wozniak

   Superintendent Seegrave (2 episodes, 2016)
• 
  Tajpal Rathore

  Guardian