Rebecca Ferguson Kathleen Weatherley
Josh O'Connor Donaghy
Hugh Grant St. Clair Bayfield
Meryl Streep Florence Foster Jenkins
Simon Helberg Cosmé McMoon
Mark Arnold Cole Porter
Stanley Townsend Phineas Stark
Christian McKay Earl Wilson
Patrick Malone Digital Intermediate
Lloyd Hutchinson Microphone Engineer
Maggie Steed Mrs. James O'Flaherty
Nina Arianda Agnes Stark
Caolan Byrne Stagehand 2
Allan Corduner John Totten
Philip Rosch Archie the Doorman
Consolata Boyle Costume Design
David Haig Carlo Edwards
John Sessions Dr. Hermann
Beverley Binda Hairstylist
Leo Davis Casting
Ewan Stewart Colonel
Stephen Frears Director, Writer
Gareth Cousins Art Direction
Brid Brennan Kitty
Elliot Levey Edgar Booth Cunningham, Jr.
Rhoda Lewis Mrs. Patsy Snow
John Kavanagh Arturo Toscanini
Lissy Holm Casting
Karen Elliott Music Supervisor
Rosy Benjamin Corbin's Gang
Josh Wood Carpenter
John Guerrasio Newspaper Vendor
Tunji Kasim Private Smith
Thelma Barlow Mrs. Oscar Garmunder
Paola Dionisotti Baroness Le Feyre
Jo McLaren Stunt Coordinator
Rob Farris Digital Intermediate
James Sobol Kelly Edgar (Diner)
Iain Struthers First Assistant Camera
Carl Davis Orlando Adams
Nathan Osgood Stagehand
Alexandre Desplat Original Music Composer
Phil Lee Sound Effects Editor
Dafydd Archard Sound Re-Recording Mixer
Adam Gascoyne Visual Effects Supervisor
Liza Ross Mrs. EE Patterson
Aida Garifullina Lily Pons
Eunice Huthart Stunt Coordinator
Pat Starr Mrs. Vanderbilt
David Menkin Carlton Smith
James Wallace Corbin's Gang
Philip Gascoyne New York Journalist (uncredited)
Kathleen Chopin Casting
Terry Davies Music Director
Andrea King Foley Artist
Anita Burger Hairstylist
Grant Gillespie Brooklyn Man
Valerio Bonelli Editor
J. Roy Helland Hairstylist, Makeup Artist
Mike Dowson Sound Re-Recording Mixer
Michael Kuhn Producer
Sid Phoenix Corporal Jones
Jenny Hawkins Florence's Dresser
Tahira Herold Makeup Artist
Dar Dash Antonio
Stefan Bednarczyk Stephen Foster
Danny Cohen Director of Photography
Cameron Cuffe Gino
Stephanie Lane Corbin's Gang
Ray Marston Wigmaker
Patrick Rolfe Supervising Art Director
Iain Mackay Camera Operator