Glenn Close
Albert Nobbs
Jonathan Rhys Meyers
Viscount Yarrell
Brendan Gleeson
Dr. Holloran
Antonia Campbell-Hughes
Emmy
Phyllida Law
Mrs. Cavendish
Brenda Fricker
Polly
Mark Williams
Sean Casey
Aaron Taylor-Johnson
Joe Mackins
Maria Doyle Kennedy
Mary
Bronagh Gallagher
Cathleen
Janet McTeer
Hubert Page
Angeline Ball
Mrs. Gilligan
John Light
Mr. Smythe-Willard
Michael McElhatton
Mr. Moore
Mia Wasikowska
Helen Dawes
Pauline Collins
Margaret Baker
Mark Doherty
Porter
Serena Brabazon
Mrs. Moore
Kenneth Collard
Monsieur Pigot
Phoebe Waller-Bridge
Viscountess Yarrell
Emerald Fennell
Mrs. Smythe-Willard
James Greene
Patrick
Kathleen Warner Yeates
Laundry Maid
Lauren Kinsella
Milly Moore
Annie Starke
Chocolate Shop Waitress
Philip O'Sullivan
Mr. Gilligan
Anna Elizabeth McGrath
Laundry Maid (uncredited)