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 Tommy Tiernan Da Gerry Actor Leah O'Rourke Jenny Joyce Actor Beccy Henderson Aisling Actor Claire Rafferty Miss Mooney Actor Calam Lynch John Paul Actor Aoife Hinds Mae Chung Actor Chris Lew Kum Hoi Kris Actor Donna Traynor Donna Traynor Actor Antoinette Morelli Sales Assistant Actor Lisa McGee Writer, Executive Producer Michael Lennox Director Caroline Leddy Executive Producer Sam Pinnell Producer Liz Lewin Executive Producer Jimmy Mulville Executive Producer