Olive Rita Webb, later known as Olive Rita Thompson, was an English character actress, mainly in comedy roles. She was the eldest child of Henry Augustus Webb (1880–1926) and Rose Jeannette Keysor. She had a younger brother, Henry Richard Webb, also an actor, and two elder identical twin half-brothers, Leslie and Gordon Durlacher, from her mother's first marriage to Samuel Durlacher. She was the niece of Leonard Keysor, the first Jewish serviceman to win the Victoria Cross in the First World War. A half-brother was the actor George Webb.

Frenzy is a 1972 British thriller film directed by Alfred Hitchcock. It is the penultimate feature film of his extensive career. The screenplay by Anthony Shaffer was based on the 1966 novel Goodbye Piccadilly, Farewell Leicester Square by Arthur La Bern. The film stars Jon Finch, Alec McCowen and Barry Foster and features Billie Whitelaw, Anna Massey, Barbara Leigh-Hunt, Bernard Cribbins and Vivien Merchant. The original music score was composed by Ron Goodwin.