Guest Stars Colin O'Donoghue as Conor Elliot Liam Carney as Franny McGowan Hilda Fay as Terri McGowan Adam Fergus as Robert Peter Daly as Gordon MacWilliams Wunmi Mosaku as Jasmine Sefate Fionnuala Murphy as Catherine Louis Mahoney as Matthew Sefate Karen Ardiff as Kate Ena May as Caroline Margaret O'Sullivan as Rebecca Charlie Boylan as Sorcha Killian O'Sullivan as Garda Gerry McCann as Tom