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

Isabelle Connolly as Emma Daly

Seán T. Ó Meallaigh as Nigel O'Connor

Steve Gunn as Dennis Guiney

Leah Minto as Sheila Breen

John Burke as John Ferris

Enda Oates as Dan Nell

Barry Barnes as Patrolman Daragh West

Andrew Bennett as Garda Mike

Philip O'Sullivan as Judge

Wendy Dynan Gleeson as Factory Worker 2

Sarah J. Kinlen as Factory Worker 3