The Light in the Hall

• 
  Iwan Rheon
  Joe
• 
  Joanna Scanlan
  Sandra
• 
  Alexandra Roach
  Cat
• 
  Annes Elwy
  Greta
• 
  Dylan Jones
  Young Joe
• 
  Ella Peel
  Ela
• 
  Morgan Hopkins
  Dai
• 
  Catherine Ayers
  Sali
• 
  Aneirin Hughes
  Gafyn
• 
  Ioan Hefin
  DCI Parry
• 
  Ifan Huw Dafydd
  Wyn
• 
  Mari Ann Bull
  Young Shelley
• 
  Sian Reese-Williams
  Caryl
• 
  Rhian Blythe
  Shelley
• 
  Aled Bidder
  Rhys
• 
  Lisa Palfrey
  Nina
• 
  Aled Pugh
  Ian
• 
  Delyth Wyn
  Eilis
• 
  Hannah Daniel
  Izzy
• 
  Shelley Rees
  Ceri-Ann
• 
  Hannah Dando
  Alana
• 
  Alex Harries
  Phil
• 
  Andria Doherty
  Bronwen
• 
  Ben Bailey Smith
  Steve
• 
  Lily Beau Conway
  Sasha
• 
  Mabli Jen Eustace
  Young Izzy
• 
  Gwydion Rhys
  PC Gwyn Jones
• 
  Dion Lloyd
  Chris
• 
  Tonya Smith
  Carwen
• 
  Glory Lewis-Rowe
  Young Greta

• Chris Forster
• Andy Newbery

• Bethan Jenkins
  ...
  (Welsh adaptation)
• Regina Moriarty
  ...
  (created by)
• Anwen Huws
• Sian Naiomi