Guest Stars Victoria Pugh as DSI Susan Lynn Lara Catrin as Lea Pryce Gwion Aled Williams as Tomos Elis Ioan Hefin as Matthew Mali Ann Rees as Ffion Rhodri Sion as Ieuan Rhys Manon Wilkinson as Sara Dean Mari Rowland Hughes as Delyth Hughes Gwydion Rhys as Marc Lewis Morfudd Hughes as Ruth Driscoll Wyn Bowen Harries as Aled Driscoll