Karen Hassan DC Jo Lipton Actor Des McAleer Barry Pettigrew Actor Aaron McCusker Clint Devine-Dunwoody Actor Mathew Irvine JJ Cormac Actor Niamh McGrady Nicole Devine-Dunwoody Actor Ellie Lavery Niamh O'Hare Actor Sade Malone Taylor Quinn Actor Ciarán McMenamin Inspector Finn O'Hare Actor Kerri Quinn Sergeant Marlene Pettigrew Actor Niall Wright PC Callum McCarthy Actor Bríd Brennan Concepta O'Hare Actor Rachel Tucker Siobhan O'Hare Actor Louis McCartney Shay O'Hare Actor Beccy Henderson Diana McVeigh Actor Jonny Everett Michael McVeigh Actor Abigail Parkinson Maura Hughes Actor Paul Marquess Executive Producer Donna Wiffen Executive Producer Leon McGeown-Fee Producer