Peter McKenna Creator Sean Mahon Brian McGonigle Actor Cathy Belton Patricia Hennessy Actor Jane McGrath Garda Sharon Cleere Actor Patrick Ryan Garda Paudge Brennan Actor David Crowley Garda Sean Holden Actor Boyko Krastanov Garda Adrijan Kosos Actor Andrea Irvine Garda Sgt Angela Tyrell Actor Paul Roe Vincent Kiely Actor Denise McCormack Bridget Kiely Actor Stephen Cromwell Keith Kiely Actor Anthony Brophy Liam Reid Actor Valerie O'Connor Det Inspector Nikki Grogan Actor Richard Flood Garda Supt. James McKay Actor Kim Revill Writer Paul Walker Writer Lauren MacKenzie Producer