Saoirse-Monica Jackson Erin Quinn Actor Louisa Harland Orla McCool Actor Ian McElhinney Granda Joe Actor Kathy Kiera Clarke Aunt Sarah Actor Nicola Coughlan Clare Devlin Actor Jamie-Lee O'Donnell Michelle Mallon Actor Dylan Llewellyn James Maguire Actor Siobhan McSweeney Sister Michael Actor Tara Lynne O'Neill Ma Mary Actor Jamie Beamish Ciaran Actor Tommy Tiernan Da Gerry Actor Claire Rafferty Miss Mooney Actor Judith Roddy Ms De Brún Actor Leah O'Rourke Jenny Joyce Actor Beccy Henderson Aisling Actor Kevin McAleer Uncle Colm Actor Philippa Dunne Geraldine Devlin Actor Amelia Crowley Deidre Mallon Actor Chris Robinson Mike the Manager Actor Lisa McGee Writer Michael Lennox Director Caroline Leddy Executive Producer Sam Pinnell Producer