Glenn Close

Character: Albert Nobbs

Mia Wasikowska

Character: Helen Dawes

Aaron Taylor-Johnson

Character: Joe Mackins

Janet McTeer

Character: Hubert Page

Pauline Collins

Character: Margaret Baker

Brenda Fricker

Character: Polly

Jonathan Rhys Meyers

Character: Viscount Yarrell

Brendan Gleeson

Character: Dr. Holloran

Maria Doyle Kennedy

Character: Mary

Antonia Campbell-Hughes

Character: Emmy

Mark Williams

Character: Sean Casey

James Greene

Character: Patrick

Bronagh Gallagher

Character: Cathleen

John Light

Character: Mr. Smythe-Willard

Serena Brabazon

Character: Mrs. Moore

Michael McElhatton

Character: Mr. Moore

Dolores Mullally

Character: Milady

Bonnie McCormack

Character: Miss Shaw

Phyllida Law

Character: Mrs. Cavendish

Kenneth Collard

Character: Monsieur Pigot

Judy Donovan

Character: Madame Pigot

Phoebe Waller-Bridge

Character: Viscountess Yarrell

Emerald Fennell

Character: Mrs. Smythe-Willard

Daniel Costello

Character: Mr. Sweeney

Angeline Ball

Character: Mrs. Gilligan

Philip O'Sullivan

Character: Mr. Gilligan

Katie Long

Character: Young Kitchen Maid

Katie O'Brien

Character: Older Kitchen Maid

Mark Doherty

Character: Porter

Rhys Burke

Character: George Moore

Lauren Kinsella

Character: Milly Moore

Katie Ann McDonough

Character: Laundry Maid

Kathleen Warner Yeates

Character: Laundry Maid

Cate MacGabhan

Character: Laundry Maid

Antoinette Healy

Character: Woman on Landau

Annie Starke

Character: Chocolate Shop Waitress

Cathy White

Character: Nanny

Malcolm Blacow

Character: Health Official

Lily Melcher

Character: Country Girl

Lucie Melcher

Character: Country Girl

Raul Riva

Character: Baby

Juno

Character: Polly's Dog

Anna Elizabeth McGrath

Character: Laundry Maid (uncredited)