Dominic Treadwell-Collins Creator, Writer, Executive Producer Karen Cogan Creator, Executive Producer Conleth Hill PJ Collins Actor Siobhan McSweeney Bríd Riordan Actor Charlene McKenna Evelyn Ross Actor Helen Behan Abigail Ross Actor Amy Conroy Florence Ross Actor Pauline McLynn Eileen O'Driscoll Actor Olwen Fouéré Kitty Harrington Actor Clinton Liberty D.I. Linus Dunne Actor Gary Shelford Anthony Riordan Actor Eleanor Tiernan Susan Hickey Actor Sky Yang Stephen Chen Actor Brenda Fricker Mrs Meany Actor Anne Kent Nora Goggin Actor Demi Isaac Oviawe Aoife Akingbola Actor Pat Kinevane Martin Flynn Actor Karl Quinn John Flynn Actor Michael Fry Alan Doddy Actor Norma Sheahan D.S. Norma Casey Actor Lochlann O'Mearáin Cormac Byrne Actor Jim O'Donnell Willy McCarthy Actor Calum Rea Cathal Riordan Actor Jane Spollen Carmel Riordan Actor Kathy Burke Director Graham Norton Writer, Executive Producer Murray Gold Original Music Martina Niland Producer