Guest Stars Catherine Ayers as Sali Siân Reese-Williams as Caryl Huws Annes Elwy as Greta 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 Aled Bidder as Rhys Mari Ann Bull as Young Shelley Rhian Blythe as Shelley Hannah Daniel as Izzy Lisa Palfrey as Nina Delyth Wyn as Eilis Aled Pugh as Ian Hannah Mary Dando as Alana Mabli Jên Eustace as Young Izzy Gwydion Rhys as PC Gwyn Jones Dion Lloyd as Chris
