'"In 1983, Caine used his "not a lot of people know that" phrase as a joke in the film "Educating Rita".The comedy sketch show, "Harry Enfield's Television Programme", included a series of sketches in which Paul Whitehouse played a character called Michael Paine; an amalgam of previous Michael Caine impressions, who in a reference to Caine's character Harry Palmer from "The Ipcress File" wears oversized, thick-rimmed glasses and a trench coat.