Meryl Streep
Florence Foster Jenkins
Hugh Grant
St. Clair Bayfield
Simon Helberg
Cosmé McMoon
Rebecca Ferguson
Kathleen Weatherley
Nina Arianda
Agnes Stark
Stanley Townsend
Phineas Stark
Allan Corduner
John Totten
Christian McKay
Earl Wilson
David Haig
Carlo Edwards
John Sessions
Dr. Hermann
Brid Brennan
Kitty
John Kavanagh
Arturo Toscanini
Pat Starr
Mrs. Vanderbilt
Maggie Steed
Mrs. James O'Flaherty
Thelma Barlow
Mrs. Oscar Garmunder
Liza Ross
Mrs. EE Patterson
Paola Dionisotti
Baroness Le Feyre
Rhoda Lewis
Mrs. Patsy Snow
Aida Garifullina
Lily Pons
David Mills
Augustus Corbin
David Menkin
Carlton Smith
Sid Phoenix
Corporal Jones
Tunji Kasim
Private Smith
Carl Davis
Orlando Adams
Lloyd Hutchinson
Microphone Engineer
Richard Kilgour
Elevator Operator
Jonathan Plowright
Ernest Ziegler
Josh O’Connor
Donaghy
Brian Fisher
Finkler
Stefan Bednarczyk
Stephen Foster
Nathan Osgood
Stagehand
Caolan Byrne
Stagehand 2
John Guerrasio
Newspaper Vendor
Ewan Stewart
Colonel
Greg Lockett
Chuck
Cameron Cuffe
Gino
Georgina Morton
Pearl
James Sobol Kelly
Edgar (Diner)
Dar Dash
Antonio
Grant Gillespie
Brooklyn Man
Nat Luurtsema
Tallulah Bankhead
Philip Rosch
Archie the Doorman
Elliot Levey
Edgar Booth Cunningham, Jr.
Danny Mahoney
Clifford B. Thornton III
Simon Markson
Piano Tuner
Mark Arnold
Cole Porter
Adele Smyth-Kennedy
Wag Woman
Jenny Hawkins
Florence's Dresser
Hallam Rice-Edwards
Corbin's Gang
Victory Maburutse
Corbin's Gang
Rosy Benjamin
Corbin's Gang
Oliver King
Corbin's Gang
James Wallace
Corbin's Gang
Charles Streeter
Corbin's Gang
Andrew Sloane
Corbin's Gang
Madeleine Knight
Corbin's Gang
Stephanie Lane
Corbin's Gang
Philip Gascoyne
New York Journalist (uncredited)
