Guest Stars Rachel O'Byrne as Stacey Lockley Sean Hughes as Kevin Cheng Jade Jordan as Debbie Gleeson Seán Duggan as Shane Kinsella Patrick Martins as Luke Byrne DS Evaldas Knezevicius as Ryan Shelby Eva Bartley as Marlene Johnson Shane Fallon as Tommy Brennan Florence Adebambo as Aisling Cary Brent Hearne as Priest Nicky Lewis as Becky Jones Darragh Malone as Dylan Horgan