Peppered with some ingenious skits (the upside down plane, and that balletic globe moment), what really makes The Great Dictator is two stunning speeches, both performed by Charlie Chaplin.

Richard Harris used to trash restaurants and then lose all recollection the next day. He’d attack moving traffic with his fists. On one occasion he was introduced onto TV chat show, walked on stage, straight off again, up the studio aisle, out of the building, hailed a taxi and went home.