Brendan O'Carroll Agnes Brown Creator, Actor, Writer Jennifer Gibney Cathy Brown Actor Eilish O'Carroll Winnie McGoogan Actor Paddy Houlihan Dermot Brown Actor Dermot O'Neill Grandad Actor Fiona O'Carroll Maria Brown Actor Rory Cowan Rory Brown Actor Danny O'Carroll Buster Brady Actor Smug Roberts Mr Foley Actor Pat Shields Mark Brown Actor Susie Blake Hillary Nicholson Actor Mike Pyatt Professor Clowne Actor Jamie O'Carroll Bono Brown Actor Amanda Woods Betty Brown Actor Martin Delany Trevor Brown Actor Philip Barantini IT Man Actor Mark Dymond Mick Actor Gary Hollywood Dino Doyle Actor Emily Regan Barbara Actor Fiona Gibney Sharon McGoogan Actor Ben Kellett Director Stephen McCrum Producer Mark Freeland Executive Producer