Rattle of a Simple Man is a 1964 British comedy-drama film directed by Muriel Box and starring Diane Cilento, Harry H. Corbett and Michael Medwin. It was written by Charles Dyer, based on his 1962 play La Crécelle (Rattle of a Simple Man).

Plot

Percy Winthram is a 39-year-old socially inept, anxious virgin who pretends to be younger. He travels by coach to London from Manchester with a group of friends to watch the FA Cup Final. The group have a night out in Soho and a £50 bet leads Percy to spend the evening with prostitute Cyrenne.