Guest Stars Catherine Ayers as Sali Siân Reese-Williams as Caryl Huws Annes Elwy as Greta Dylan Jones as Young Joe Ella Peel as Ela Morgan Hopkins as Dai Rees Rhian Blythe as Shelley Ioan Hefin as DCI Parry Aled Bidder as Rhys Aneirin Hughes as Gafyn Ifan Huw Dafydd as Wyn Mari Ann Bull as Young Shelley Hannah Daniel as Izzy Delyth Wyn as Eilis Hannah Mary Dando as Alana Andria Doherty as Bronwen Lisa Palfrey as Nina Shelley Rees as Ceri-Ann Mabli Jên Eustace as Young Izzy Lily Beau Conway as Sasha Glory Lewis-Rowe as Young Greta
