Guest Stars Carrie Crowley as Mairead Noonan Conor Mullen as Frank Ahern Justine Mitchell as Elaine Lynch Elijah O'Sullivan as Jacob Dwyer Éanna Hardwicke as Joe Ryan James O'Donoghue as Calum Dwyer Hazel Doupe as Ingrid Jensen Ayoola Smart as Cathy Cregan Hugh O'Conor as Dr. Kevin Stuart Graham as Denis Ahern Lochlainn O'Mearáin as Rory Dwyer Michael Patric as Sgt. Paudie Manning Thomas Levin as Carl Jensen Carmel Stephens as Dr Helen Fahey
