Guest Stars Siân Reese-Williams as Caryl Huws Annes Elwy as Greta Catherine Ayers as Sali Ella Peel as Ela Morgan Hopkins as Dai Rees Dylan Jones as Young Joe Ioan Hefin as DCI Parry Ifan Huw Dafydd as Wyn Aneirin Hughes as Gafyn Rhian Blythe as Shelley Aled Bidder as Rhys Aled Pugh as Ian Shelley Rees as Ceri-Ann Andria Doherty as Bronwen Ben Bailey Smith as Steve Lily Beau Conway as Sasha Gwydion Rhys as PC Gwyn Jones Leighton Davies as Alan