Glenn Close

Albert Nobbs

Mia Wasikowska

Helen Dawes

Aaron Taylor-Johnson

Joe Mackins

Janet McTeer

Hubert Page

Pauline Collins

Margaret Baker

Brenda Fricker

Polly

Jonathan Rhys Meyers

Viscount Yarrell

Brendan Gleeson

Dr. Holloran

Maria Doyle Kennedy

Mary

Antonia Campbell-Hughes

Emmy

Mark Williams

Sean Casey

James Greene

Patrick

Bronagh Gallagher

Cathleen

John Light

Mr. Smythe-Willard

Serena Brabazon

Mrs. Moore

Michael McElhatton

Mr. Moore

Dolores Mullally

Milady

Bonnie McCormack

Miss Shaw

Phyllida Law

Mrs. Cavendish

Kenneth Collard

Monsieur Pigot

Judy Donovan

Madame Pigot

Phoebe Waller-Bridge

Viscountess Yarrell

Emerald Fennell

Mrs. Smythe-Willard

Daniel Costello

Mr. Sweeney

Angeline Ball

Mrs. Gilligan

Philip O'Sullivan

Mr. Gilligan

Katie Long

Young Kitchen Maid

Katie O'Brien

Older Kitchen Maid

Mark Doherty

Porter

Rhys Burke

George Moore

Lauren Kinsella

Milly Moore

Katie Ann McDonough

Laundry Maid

Kathleen Warner Yeates

Laundry Maid

Cate MacGabhan

Laundry Maid

Antoinette Healy

Woman on Landau

Annie Starke

Chocolate Shop Waitress

Cathy White

Nanny

Malcolm Blacow

Health Official

Lily Melcher

Country Girl

Lucie Melcher

Country Girl

Raul Riva

Baby

Juno

Polly's Dog

Anna Elizabeth McGrath

Laundry Maid (uncredited)