Guest Stars Annes Elwy as Greta Catherine Ayers as Sali Ella Peel as Ela Dylan Jones as Young Joe Morgan Hopkins as Dai Rees Sian Reese-Williams as Caryl Ifan Huw Dafydd as Wyn Aneirin Hughes as Gafyn Rhian Blythe as Shelley Mari Ann Bull as Young Shelley Aled Bidder as Rhys Hannah Daniel as Izzy Lisa Palfrey as Nina Hannah Mary Dando as Alana Aled Pugh as Ian Delyth Wyn as Eilis Ben Bailey Smith as Steve Alex Harries as Phil Tonya Smith as Carwen Dion Lloyd as Chris