Guest Stars Oscar Unsworth as Rhodri Howells Harry Unsworth as Rhodri Howells Mark Lewis Jones as Steve Baldini Hannah Daniel as Cerys Jones Demi Letherby as Alys Howells Lacey Jones as Megan Howells Eiry Thomas as DI Susan Williams Aneirin Hughes as Tom Howells Suzanne Packer as Delyth Lloyd Catherine Ayers as Lisa Connors Bradley Freegard as Evan Howells Rhian Morgan as Marion Howells Alex Harries as Arthur Davis Angeline Ball as Gael Reardon Mali Harries as Bethan Price Matthew Gravelle as Terry Price Richard Elfyn as DCI Huw Parry Kizzy Crawford as PC Emma Jones Lowri Palfrey as Erin Glynn Glyn Pritchard as Dewi Glynn Pinar Ogun as Dr. Meral Alpay Ryland Teifi as Owens Dewi Rhys Williams as Malcolm Lloyd Phylip Hughes as John Davies
