Guest Stars Jennifer Gibney as Cathy Brown Paddy Houlihan as Dermot Brown Dermot O'Neill as Grandad Brown Eilish O'Carroll as Winnie McGoogan Danny O'Carroll as Buster Brady Pat Shields as Mark Brown Amanda Woods as Betty Brown Fiona O'Carroll as Maria Nicholson Brown Rory Cowan as Rory Brown Gary Hollywood as Dino Doyle Mike Pyatt as Professor Thomas Clowne