Madge Winifred Ryan was an Australian actress, known for her stage and film roles in the United Kingdom, including London stage productions of Entertaining Mr Sloane (1964), Philadelphia, Here I Come (1967), and Medea (1993). She also starred in the Broadway production of Summer of the Seventeenth Doll (1958).

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.