Guest Stars Nell Hudson as Laoghaire MacKenzie Finn Den Hertog as Willie Annette Badland as Mrs. Fitzgibbons Aislín McGuckin as Letitia MacKenzie Liam Carney as Alec "Old Alec" McMahon MacKenzie Lochlainn O'Mearáin as Horrocks Graeme McKnight as Private McGinnis