Guest Stars Katelyn Rose Downey as Caitlin Mohan Aidan McCann as Niall Mohan Aoibhéann McCann as Katie Ryan Rhys Mannion as Derek Mohan Nathara Dayananda as Emma Wilson Grace Collender as Doireann Carrick Robert Mitchell as Detective Ames Benjamin Bergin as Billy Ryan Roisin Rankin as Aelish Flaherty Orla Casey as Eileen (Housekeeper) Tristan Heanue as Freddie Vee Seán Duggan as Garda Pat O'Connor Oscar Nolan as Logan Steve Gunn as Commissioner Garret Joe Rooney as Mr. Sweeney (Bus Driver) Caoimhe O'Malley as Pam Wilson Killian Donnelly as Brian Carrick Áine Ní Laoghaire as Gabby Chamberlain-Waugh Alan O'Brien as Sketch Artist Cabrina Conaty as Teaching Assistant
