Guest Stars Kathy Kiera Clarke as Sinead Colin O'Donoghue as Jamie Saoirse Ronan as Orla Stanley Townsend as Patrick Mooney Dearbhla Molloy as Evelyn Conor Mullen as JP O'Farrell Robina Qureshi as Satya Atisa Clide Delaney as Declan "Decky" Burke Chuk Iwuji as Jake Zaria Moya Farrelly as Cora Ryan Sara James as Minnie Darragh Kelly as Seamus Sullivan Sean Rocks as Kieran Clive Geraghty as Gerry Rogan Kate O'Toole as Olivia Berstein Ony Uhiara as Tessa Zaria Rudi Kennedy as Conroy Leon Stewart as Lenny Paul Bennet as Christy McPeake Jonathan Ryan as Neil Plunkett Nick Grennell as Maurice Coleman Philip Voon as Joe Joe Doyle as Paul Bonner Sean Corcoran as Detective Brian McGrath as Bill