Sir Ronald Graeme Millar was an English actor, writer and dramatist.
Ronald Millar joined the Royal Navy in 1940 after having studied at King's College, Cambridge, England, for a year. He established himself as a playwright after the second world war, and between 1948 and 1954 lived in Hollywood, where he wrote scripts for MGM. On his return to the UK, he successfully adapted several C.P. Snow novels, and in 1967 he adapted William Clark's novel 'Number 10' for the stage. He also acted as speech writer for three British prime ministers, including Margaret Thatcher, for whom he wrote the famous line "The lady's not for turning."
Ronald Millar was the son of a professional actress, Dorothy Dacre-Hill. Prior to becoming a full-time dramatist and subsequently, a speechwriter, Millar acted in a number of West End productions during and after World War II, in the company of such lights as Ivor Novello, Alastair Sim and John Gielgud. One of his most famous productions was Abelard and Heloise featuring Keith Michell and Diana Rigg. He also appeared in the 1943 war film We Dive at Dawn, directed by Anthony Asquith.