Main Characters DCI Paul Bethell 4 main appearances DC Phil 'Bach' Rees 4 main appearances Young Paul Bethell 4 main appearances Young Phil 'Bach' Rees 4 main appearances Karina Bethell 4 main appearances DC Geraint Bale 4 main appearances Colin Dark 4 main appearances Dai Williams 4 main appearances DI Tony Warren 4 main appearances Joseph Kappen 4 main appearances DCS Ray Allen 3 main appearances Sita Anwar 3 main appearances