| Adjoa Andoh | Lady Danbury |
| Lorraine Ashbourne | Mrs. Varley |
| Jonathan Bailey | Lord Anthony Bridgerton |
| Ruby Barker | Marina Thompson |
| Sabrina Bartlett | Siena Rosso |
| Harriet Cains | Philipa Featherington |
| Bessie Carter | Prudence Featherington |
| Nicola Coughlan | Penelope Featherington |
| Phoebe Dynevor | Daphne Bridgerton |
| Ruth Gemmell | Lady Violet Bridgerton |
| Florence Hunt | Hyacinth Bridgerton |
| Claudia Jessie | Eloise Bridgerton |
| Ben Miller | Lord Archibald Featherington |
| Luke Newton | Colin Bridgerton |
| Regé-Jean Page | Simon Basset |
| Golda Rosheuvel | Queen Charlotte |
| Luke Thompson | Benedict Bridgerton |
| Will Tilston | Gregory Bridgerton |
| Polly Walker | Lady Portia Featherington |
| Julie Andrews | Lady Whistledown |
| Jason Barnett | Jeffries |
| Joanna Bobin | Lady Cowper |
| Anand Desai-Barochia | Lord Hardy |
| Kathryn Drysdale | Genevieve Delacroix |
| Paul Hunter | Lord Middlethorpe |
| George Kemp | Lord Weaver |
| Jessica Madsen | Cressida Cowper |
| Molly McGlynn | Maid Rose |
| Julian Ovenden | Sir Henry Granville |
| Hugh Sachs | Brimsley |
| Nicholas Shaw | Lord Tompkins |
| Freddie Stroma | Prince Friedrich |
| Ray MacAllan | Hastings Driver |
| Phil Snowden | Stage Manager |
| Tosh Wanogho-Maud | Suitor |
| Nikkita Chadha | Fashionable Young Lady |
| Antony Barlow | Aide-de-Camp to Queen Charlotte |
| Kamara Benjamin Barnett | Featherington Footman |
| Stuart Cooke | Aide-de-Camp |
| Clifton Harrison | Musician |
| Oliver Martin | High Society (Ton) |
| Yasmine Meaden | High Society Debutante |
| Glen Passingham | Bridgerton Footman |
| David Stokes | High Society Gentleman |