Career
Born in Saint Paul, Minnesota, Sullivan was the younger brother of C., a prominent Hollywood screenwriter. He worked as an editor on such films as Fury (1936), Babes in Arms (1939), The Philadelphia Story (1940) and Woman of the Year (1942). Sullivan was married to Doris Sullivan with whom he had two children.
He died on September 30, 1972 Woodland Hills, Los Angeles at the age of 76.
He is buried at Forest Lawn Memorial Park, Hollywood Hills.