Générique complet
Once Upon a Time: Sergio Leone
CL
Carla Leone
Self
PB
Piero De Bernardi
Self
EM
Enrico Medioli
Self
Arnon Milchan
Self
SK
Stuart Kaminsky
Self
Quentin Tarantino
Self
Raffaella Leone
Self
Scott Schutzman Tiler
Self
James Woods
Self
Leonardo Benvenuti
Self
FL
Francesca Leone
Self
Claudia Cardinale
Self
Clint Eastwood
Self
Christopher Frayling
Self
HH
Howard Hill
Narrator (voice)
Mickey Knox
Self
Sergio Leone
Self (archive footage)
Benito Mussolini
Self (archive footage)
Jason Robards
Self (archive footage)
Rod Steiger
Self
James Coburn
Self (archive footage)