Emily Watson

as Aileen O'Hara

Paul Mescal

as Brian O'Hara

Aisling Franciosi

as Sarah Murphy

Declan Conlon

as Con O'Hara

Toni O'Rourke

as Erin O'Hara

Marion O'Dwyer

as Mary Fitz

Brendan McCormack

as Francie D'Arcey

Lalor Roddy

as Paddy O'Hara