• 
  Sabrina Sandhu

  Various
• 
  Richard McCourt

   Diddy Dick (unknown episodes)
• 
  Ted Robbins

   Larry Weinsteinberger (8 episodes, 2016)
• 
  Dominic Wood

   Diddy Dom (8 episodes, 2016)
• 
  Bob Golding

  13 episodes, 2018
• 
  Kate Malyon

  19 episodes, 2018
• 
  Inel Tomlinson

  14 episodes, 2018
• 
  Ian Kirkby

  Various

• 
  Richard David-Caine

  Various
• 
  Darragh Mortell

  Diddy Darragh
• 
  Radzi Chinyanganya

  Diddy Guest Star
• 
  Craig Revel Horwood

  Diddy Guest Star
• 
  Sally Lindsay

  Diddy Guest Star
• 
  Joseph Garrett

  Diddy Stampy
• 
  Eamonn Holmes

  Diddy Guest Star

• 
  Michelle Gayle

  Diddy Guest Star
• 
  Lauren Layfield

  Self - Guest
• 
  Emily Morus-Jones

  Craig