Deirdre O'Kane as Christina Noble

Sarah Greene as Middle Christina

Gloria Cramer Curtis as Young Christina

Liam Cunningham as Thomas

Ruth Negga as Joan

Brendan Coyle as Gerry Shaw

Mark Huberman as David Somers

Nhu Quynh as Madame Linh

Eva Birthistle as Sister Laura

David Mumeni as Mario

Kinh Quốc as Trung

Le Ngoc Tu'o'ng as Phan, 'Mr Receptionist Desk'

Lu'o Ng My as My An

Dat Khou Nguyen Tien as Lam

Lauren Malone as Kathy

Harry Whelehan as Andrew

Charlie Whelehan as Johnny

Derbhle Crotty as Annie

Harry Plummer as Michael

Camille Byrne as Philomena

Christine Dalby as Mrs. Kelly

Pauline McLynn as Mother Superior

Paul Hickey as Father O'Leary

Pauline Jefferson as Sister Assumpta

Rachael Kearney as Sister Agnes

Andrew Bennett as Dicky Clark

Peter Gowen as Mr O'Reilly

Gu'o'ng Thi Tong as Thao

Frank Laverty as Garda

Aislí Moran as Mildred

Luke Griffin as Mr Brennan

Linh My Nguyen as Kim

Huỳnh Kiến An as Chief Inspector Bong

Toni O'Rourke as Angela

Sidney Livingstone as Fred Holden

Jonathan Bonnici as Tito

Margi Clarke as Guesthouse Owner

Thinh Ba Tran as Mr Ban

Loan Thanh Tran as Mr Ban's Daughter

Karen Ardiff as Chipper Waitress

Glenn Speers as Stonemason

Chi Van Nguyen as Mr Khuc

Anh Khoi Thai as Smiling Boy

Karl Shiels as Driver

Molly Gromadzki as Mario's Lover

Ha Thai Vu as Receptionist One

Thuy Trieu Nghiem as Receptionist Two

Tin Thu Tri as Duty Manager

Steve Leighton as Theater Goer