Brendan O'Carroll Agnes Brown Creator, Actor, Writer Susie Blake Hillary Nicholson Actor Martin Delany Trevor Brown Actor Fiona Gibney Sharon McGoogan Actor Jennifer Gibney Cathy Brown Actor Paddy Houlihan Dermot Brown Actor, Writer Shobu Kapoor Professor Murphy Actor Conor Moloney Father Damien Actor Danny O'Carroll Buster Brady Actor Eilish O'Carroll Winnie McGoogan Actor Fiona O'Carroll Maria Brown Actor Dermot O'Neill Grandad Brown Actor Derek Reddin Dr. Flynn Actor Emily Regan Barbara Actor June Rodgers Birdie Flanagan Actor Ben Kellett Director