Gianni Siragusa: Gianni Siragusa. Director: 4 Billion in 4 Minutes. Gianni Siragusa was born in 1936. He is an assistant director and director, known for 4 Billion in 4 Minutes (1976), Buitres sobre la ciudad (1981) and Detenute violente (1984).
Known For: 4 Billion in 4 Minutes (Director), Buitres sobre la ciudad (Director), Detenute violente (Director(as Willy Regant)), Hell Behind the Bars (Director(as Willy Regant))