 When Harrison was 20, he started playing professionally, around the tables in a Greek restaurant in London.He also made a living playing in bars and nightclubs all over Europe, including appearances at the [[Blue Angel (nightclub), Mayfair, London where one show was recorded for a [[live album]].After appearing in small roles in British films such as "[[The Best of Enemies (1961 film)|The Best of Enemies]]" (1961), "[[Hot Enough for June]]" (1964) and "[[Where the Spies Are]]" (1965) Harrison left for the [[United States]] in 1965, working as a nightclub entertainer at such venues as the [[Hungry I]] in [[San Francisco]], and at the Persian Room in [[New York City]].