Dame Sheila Cameron Hancock is an English actress, singer, and author. She has performed in theatre - plays and musicals in London, and her Broadway debut in Entertaining Mr Sloane (1966) earned her a Tony Award nomination for Best Lead Actress in Play.

Entertaining Mr Sloane is a three-act play written in 1963 by the English playwright Joe Orton. It was first produced in London at the New Arts Theatre on 6 May 1964 and transferred to the West End's Wyndham's Theatre on 29 June 1964.