Brian De Palma is an American citizen.
 His contemporaries include Martin Scorsese, Paul Schrader, John Milius, George Lucas, Francis Ford Coppola, Steven Spielberg, John Carpenter, and Ridley Scott
 The film, which was co-directed with Leach and producer Cynthia Munroe, had been shot in 1963 but remained unreleased until 1969, when De Palma's star had risen sufficiently within the Greenwich Village filmmaking scene

