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
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)