Saoirse-Monica Jackson Erin Quinn Actor Louisa Harland Orla McCool Actor Nicola Coughlan Clare Devlin Actor Jamie-Lee O'Donnell Michelle Mallon Actor Dylan Llewellyn James Maguire Actor Ian McElhinney Granda Joe Actor Kathy Kiera Clarke Aunt Sarah Actor Tara Lynne O'Neill Ma Mary Actor Art Campion Father Peter Actor Tommy Tiernan Da Gerry Actor Siobhan McSweeney Sister Michael Actor Donna Traynor Donna Traynor Actor Ava Grace McAleese Baby Anna Actor Mya Rose McAleese Baby Anna Actor Paul Mallon Dennis Actor Leah O'Rourke Jenny Joyce Actor Jay Duffy Harry Actor Laurie Kynaston Philip Actor Beccy Henderson Aisling Actor Caoimhe Farren Ms Taylor Actor Brenock O'Connor Jon Actor Philippa Dunne Geraldine Devlin Actor Francis Mezza Dee Actor Amelia Crowley Deirdre Mallon Actor Sean Sloan Philip's Father Actor Nigel O'Neill Harry's Father Actor Lisa McGee Writer, Executive Producer Michael Lennox Director Caroline Leddy Executive Producer Sam Pinnell Producer Liz Lewin Executive Producer Jimmy Mulville Executive Producer