Kerri Quinn Sergeant Marlene Pettigrew Actor Niall Wright PC Callum McCarthy Actor Finnian Garbutt Ryan Power Actor Ciarán McMenamin Inspector Finn O'Hare Actor Rachel Tucker Siobhan O'Hare Actor Louis McCartney Shay O'Hare Actor Ellie Lavery Niamh O'Hare Actor Niamh McGrady Nicole Devine-Dunwoody Actor Sade Malone Taylor Quinn Actor Karen Hassan DC Jo Lipton Actor Aaron McCusker Clint Devine-Dunwoody Actor Des McAleer Barry Pettigrew Actor Abe Smyth Ray Evans Actor Paul Marquess Executive Producer Donna Wiffen Executive Producer Leon McGeown-Fee Producer Sean Glynn Director Christine Murphy Writer