Name	Known for
Brendan O'Carroll Agnes Brown Agnes Brown See fewer	Mrs. Brown's Boys (2011)
Jennifer Gibney Cathy Brown Cathy Brown See fewer	Mrs. Brown's Boys (2011)
Dermot O'Neill Grandad Brown Grandad Brown See fewer	Mrs. Brown's Boys: The Original Series (2002)
Phil Cornwell Boris Boris See fewer	Stella Street (2004)
Martin Delany Trevor Brown Trevor Brown See fewer	Mrs. Brown's Boys (2011)
Fiona Gibney Sharon McGoogan Sharon McGoogan See fewer	Mrs. Brown's Boys (2011)
Paddy Houlihan Dermot Brown Dermot Brown See fewer	Mrs. Brown's Boys D'Movie (2014)
Conor Moloney Father Damien Father Damien See fewer	The Guard (2011)
Danny O'Carroll Buster Brady Buster Brady See fewer	Mrs. Brown's Boys D'Movie (2014)
Eilish O'Carroll Winnie McGoogan Winnie McGoogan See fewer	Mrs. Brown's Boys D'Movie (2014)
Fiona O'Carroll Maria Brown Maria Brown See fewer	Mrs. Brown's Boys: The Original Series (2002)
Derek Reddin Dr. Thaddeus Flynn Dr. Thaddeus Flynn See fewer	Mrs. Brown's Boys (2011)
Emily Regan Barbara Barbara See fewer	Mrs. Brown's Boys: The Original Series (2002)
Pat Shields Mark Brown (as Pat 'Pepsi' Shields) Mark Brown (as Pat 'Pepsi' Shields) See fewer	Mrs. Brown's Boys D'Movie (2014)
Amanda Woods Betty Brown Betty Brown See fewer	Mrs. Brown's Boys D'Movie (2014)
Stuart Henderson Comedian Mr. Kennedy - Valentine (uncredited) Mr. Kennedy - Valentine (uncredited) See fewer	Mortem (II)