Phoebe Dynevor (Daphne Basset), Adjoa Andoh (Lady Danbury), Regé-Jean Page (Simon Basset), Lorraine Ashbourne (Mrs. Varley), Simone Ashley (Kate Sharma), Jonathan Bailey (Lord Anthony Bridgerton), Harriet Cains (Philipa Featherington) more..., Luke Newton (Colin Bridgerton), Bessie Carter (Prudence Featherington), Charithra Chandran (Edwina Sharma), Shelley Conn (Lady Mary Sharma), Ruby Barker (Marina Thompson), Nicola Coughlan (Penelope Featherington), Ruth Gemmell (Lady Violet Bridgerton), Florence Hunt (Hyacinth Bridgerton), Claudia Jessie (Eloise Bridgerton), Golda Rosheuvel (Queen Charlotte), Luke Thompson (Benedict Bridgerton), Will Tilston (Gregory Bridgerton), Polly Walker (Lady Portia Featherington), Ben Miller (Lord Archibald Featherington), Molly McGlynn (Maid Rose), Rupert Young (Lord Jack Featherington), Calam Lynch (Theo Sharpe), Julie Andrews (Lady Whistledown (voice))

Shonda Rhimes (Executive Producer), Chris Van Dusen (Executive Producer), Julia Quinn (Novel), Jane Karen (Dialect Coach), Jonathan Igla (Co-Executive Producer), Scott Collins (Executive Producer), Betsy Beers (Executive Producer) more..., Kelly Valentine Hendry (Casting), Sarada McDermott (Producer),