Ed Thomas, Rhys Powys, Marc Evans, Gareth Bryn, Julian Jones
Richard Harrington (DCI Tom Mathias), Mali Harries (DI Mared Rhys), Alex Harries (DC Lloyd Ellis), Hannah Daniel (DS Sian Owen), Aneirin Hughes (Chief Supt Brian Prosser), Geraint Morgan (Iwan Thomas), Geraint Lewis (Dr. Haydn Blake), Llŷr Ifans (Gareth Thomas), Gwen Ellis (Agnes Jones), Sioned Dafydd (Elin Rhys)