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 Tara Lynne O'Neill Ma Mary Actor Siobhan McSweeney Sister Michael Actor Tommy Tiernan Da Gerry Actor David Ireland Sean Devlin Actor Beccy Henderson Aisling Actor Leah O'Rourke Jenny Joyce Actor Philippa Dunne Geraldine Devlin Actor Amelia Crowley Deirdre Mallon Actor Jamie Beamish Ciaran Actor Sean Coyle Radio Announcer Actor Fatboy Slim Fatboy Slim Actor Emmett Scanlan Madstab Actor Vanessa Ifediora Laurie Actor Lisa McGee Writer, Executive Producer Michael Lennox Director Caroline Leddy Executive Producer Noel Hogan Music Brian J. Falconer Producer Liz Lewin Executive Producer Jimmy Mulville Executive Producer