
Once Upon a Time: Sergio Leone
- वर्ष: 2000
- देश: United Kingdom
- शैली: Documentary
- स्टुडिओ: CreaTVty, Westbrook, Film4 Productions
- कीवर्ड:
- संचालक: Howard Hill
- कास्ट: Carla Leone, Piero De Bernardi, Enrico Medioli, Arnon Milchan, Stuart Kaminsky, Quentin Tarantino