Meryl Streep
— Kate Mundy
Catherine McCormack
— Christina 'Chrissy' Mundy
Brid Brennan
— Agnes 'Aggie' Mundy
Kathy Burke
— Margaret 'Maggie' Mundy
Sophie Thompson
— Rose 'Rosie' Mundy
Michael Gambon
— Father Jack Mundy
Rhys Ifans
— Gerry Evans
Lorcan Cranitch
— Danny Bradley
Darrell Johnston
— Michael 'Mike' Mundy
John Kavanagh
— Father Carlin
Marie Mullen
— Vera McLoughlin
Dawn Bradfield
— Sophie McLoughlin
Peter Gowen
— Austin Morgan
Kate O'Toole
— Chemist
Gerard McSorley
— Narration