Sian Clifford

Sian Clifford (born 7 April 1982) is an English actress known for her roles in both television and theatre. She gained recognition for her portrayal of Claire, the older sister of the titular character in the BBC comedy-drama series Fleabag (2016–2019). Clifford's performance in the second season earned her a BAFTA TV Award for Best Female Comedy Performance. She also appeared as Martha Crawley in the ITV/Amazon Studios series Vanity Fair (2018) and as Diana Ingram in the ITV series Quiz (2020). In addition to her television work, Clifford has performed in various theatre productions, including Consent at the Harold Pinter Theatre, Pains of Youth at the National Theatre, and The Road to Mecca at the Arcola Theatre.More