Brendan O'Carroll Agnes Brown Creator, Actor, Writer Paddy Houlihan Dermot Brown Actor Fiona O'Carroll Maria Brown Actor Dermot O'Neill Grandad Actor Jennifer Gibney Cathy Brown Actor Eilish O'Carroll Winnie McGoogan Actor Rory Cowan Rory Brown Actor Martin Delany Trevor Brown Actor Danny O'Carroll Buster Brady Actor Pat Shields Mark Brown Actor Amanda Woods Betty Brown Actor Mark Dymond Mick Actor Ben Kellett Director Stephen McCrum Producer