From Wikipedia, the free encyclopedia. Jim Clark (born 24 May 1931 in Boston, Lincolnshire) is a British film editor and director. Clark was born in 1931, and grew up in Boston, Lincolnshire. Clark moved to London, and in 1951 he began work as an assistant editor at the legendary Ealing Studios. Subsequently, Clark worked as a freelance assistant editor on two films directed by Stanley Donen and edited by Jack Harris. When Harris declined the opportunity to work on Donen's subsequent film, Sur ...