Belgravia

Tamsin Greig plays Anne Trenchard, a key member of the Trenchard family navigating the complexities of Regency and Victorian-era society.

Philip Glenister portrays James Trenchard, Anne's husband and a central figure in the show's exploration of class and ambition.

Alice Eve takes on the role of Susan Trenchard, the wife of Oliver, who is embroiled in the family’s societal maneuvers.

Ella Purnell plays Maria Grey, the daughter of the Dowager Countess of Templemore.

Jack Bardoe is Charles Pope, a young man unaware of his true lineage and connection to the Trenchard and Bellasis families.

Jeremy Neumark Jones is Lord Bellasis, the sole son of the Earl and Countess of Brockenhurst and heir to his family's title.

Tom Wilkinson portrays Peregrine, Earl of Brockenhurst, a nobleman with ties to the Trenchard family.

Harriet Walter is Caroline, Countess of Brockenhurst, who navigates the intricacies of her family's status and legacy.

Richard Goulding plays Oliver Trenchard, the son of James and Anne, involved in his family’s pursuit of higher social standing.

Emily Reid is Sophia Trenchard, the daughter of James and Anne, whose story unfolds at the intersection of personal and societal expectations.

Adam James takes on the role of John Bellasis, the ambitious son of Stephen Bellasis, poised to inherit his father's position.

Paul Ritter is Turton, the dedicated butler to the Trenchard family.