Meryl Streep | Florence Foster Jenkins | |
Simon Helberg | Cosmé McMoon | |
Nina Arianda | Agnes Stark | |
Allan Corduner | John Totten | |
David Haig | Carlo Edwards | |
Brid Brennan | Kitty |
Hugh Grant | St Clair Bayfield | |
Rebecca Ferguson | Kathleen | |
Stanley Townsend | Phineas Stark | |
Christian McKay | Earl Wilson | |
John Sessions | Dr. Hermann | |
John Kavanagh | Arturo Toscanini |