Y Gwyll

Elenco

• 

  Richard Harrington

  DCI Tom Mathias

• 

  Mali Harries

  DI Mared Rhys

• 

  Alex Harries

  DC Lloyd Elis

• 

  Hannah Daniel

  DS Siân Owens

• 

  Aneirin Hughes

  Chief Superintendent Brian Prosser

• 

  Jacob Ifan

  Trystan Meilir