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 Fiona Gibney as Sharon McGoogan Conor Moloney as Father Damien Gary Hollywood as Dino Doyle Derek Reddin as Dr Flynn Susie Blake as Hillary Nicholson Jamie O'Carroll voices Bono Brown Emily Regan as Barbara Di Dougherty as Annette Curtain Robbie Telfer as Gaston