A man with a sandwich-board (advert) wanders around London meeting many strange characters.
The Sandwich Man is a 1966 British comedy film directed by Robert Hartford-Davis starring Michael Bentine, with support from a cast of British character actors including Dora Bryan, Harry H. Corbett, Bernard Cribbins, Diana Dors, Norman Wisdom, Terry-Thomas and Ian Hendry. It was written by Hartford-Davis and Bentine.