Sheila Cameron Hancock, CBE (born 22 February 1933) is an English actress and author. Hancock trained at the Royal Academy of Dramatic Art before starting her career in repertory theatre. Hancock went on to perform in 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. She won a Laurence Olivier Award for Best Performance in a Supporting Role in a Musical for her role in Cabaret (2007) and was nominated at the Laurence Olivier Awards four other times for her work in Sweeney Todd (1980), The Winter's Tale (1982), Prin (1989) and Sister Act (2010). 　　She worked in repertory during the 1950s and made her West End debut in 1958, replacing Joan Sims in the play Breath of Spring. She then appeared in Joan Littlewood's Theatre Workshop production of Make Me An Offer in 1959, and her other early West End appearances included the revue One Over the Eight with Kenneth Williams in 1961, and starring in Rattle of a Simple Man in 1962. In 1965, she made her Broadway debut in Entertaining Mr Sloane. In 1978, she played Miss Hannigan in the original London cast of the musical Annie and two years later, she played Mrs Lovett in the original London production of the musical Sweeney Todd. 　　She has appeared in The Winter's Tale, Titus Andronicus and A Delicate Balance for the Royal Shakespeare Company. At the National Theatre she has appeared in The Cherry Orchard and The Duchess of Malfi. She also directed A Midsummer Night's Dream for the RSC on tour and directed The 　　Critic at the National Theatre. She was also associate artistic director of the Cambridge Theatre Company. In 2006, she played the role of Fraulein Schneider in the West End revival of the musical Cabaret at the Lyric Theatre. She won the Laurence Olivier Award for Best Performance in a Supporting Role in a Musical. In 2009, she spent over a year playing Mother Superior in Sister Act the Musical at the London Palladium. 　　In 2013 she starred alongside Lee Evansand Keeley Hawes in the comedy Barking in Essex at Wyndham's Theatre. 　　In 2016 starred with Jenna Russell in the UK premiere of the musical Grey Gardens at the Southwark Playhouse.