Guest Stars Niall Toibin as Dr. Paul O'Callaghan Saoirse Ronan as Rhiannon Geraghty Lesley Conroy as Kathleen Roche Ruth McCabe as Mary Geraghty Garrett Keogh as Martin Geraghty Rory Keenan as Michael Eva Bartley as Polly Sean Flanagan as Sean Connell Tatianna Ouliankina as Natalia Riabushkin Ian McElhinney as Joseph McGarry Jake Williams as Barry Geraghty Chris Newman as Tommy Geraghty Neilí Conroy as Sorcha Geraghty Barbara Adair as Old Woman Janet Moran as Molly Alexander Downes as David Penrose Donal O'Kelly as Frank Grimes Gareth O'Connor as Bryan Grimes Laurie Morton as Mrs. Joyce
