Guest Stars Oscar Unsworth as Rhodri Howells Harry Unsworth as Rhodri Howells Mark Lewis Jones as Steve Baldini Hannah Daniel as Cerys Jones Lacey Jones as Megan Howells Demi Letherby as Alys Howells Aneirin Hughes as Tom Howells Eiry Thomas as DI Susan Williams Suzanne Packer as Delyth Lloyd Catherine Ayers as Lisa Connors Bradley Freegard as Evan Howells Alex Harries as Arthur Davis Rhian Morgan as Marion Howells Anastasia Hille as Gael Reardon Martha Bright as Angie Baldini Rhashan Stone as DI Laurence Breeze Aimee-Ffion Edwards as Madlen Vaughan Brochan Evans as Dyfan Vaughan Steffan Rhodri as Judge Gwyn Daniels Rebecca Harries as Hannah Lewis Rhian Blythe as Anya Flye Richard Lynch as Hayden Swancott QC Billy Hartman as Jeweller Crystal Yu as Dr. Sarah Collins Rhodri Sion as Madog Jones Daniel Edwards as Prison Warden
