Sian Reese-Williams DI Cadi John Actor Sion Davies DS Owen Vaughan Actor Garmon Rhys PC Ryan Davies Actor Victoria Pugh DSI Susan Lynn Actor Sarah Tempest Alys Mitchell Actor Rhodri Meilir Dylan Harris Actor Gillian Elisa Iona Harris Actor Megan Llyn Bethan John Actor Nia Roberts Elin Jones Actor Owen Arwyn Alun Pryce Actor Lara Catrin Lea Pryce Actor Lois Meleri-Jones Lowri Driscoll Actor Gaynor Morgan Rees Agnes Actor Ieuan Watkins Aneurin Actor Gwyneth Keyworth Megan Ruddock Actor Lowri Izzard PC Mari James Actor Gareth Bryn Director Ed Talfan Executive Producer Hannah Thomas Producer Mark Andrew Executive Producer