First part of a three-part documentary series on the making of Once Upon a Time in the West, Italian filmmaker Sergio Leone's masterpiece, released in 1968. (Followed by The Wages of Sin.)
| Actor | Role |
|---|---|
 Bernardo BertolucciSelf - Filmmaker | Self - Filmmaker |
 Claudia CardinaleSelf - Actress | Self - Actress |
 John CarpenterSelf - Filmmaker | Self - Filmmaker |
 Alex CoxSelf - Filmmaker | Self - Filmmaker |
| TTonino Delli ColliSelf - DOP | Self - DOP |
 Gabriele FerzettiSelf - Actor | Self - Actor |
 Christopher FraylingSelf - Writer | Self - Writer |
 John MiliusSelf - Filmmaker | Self - Filmmaker |
 Henry FondaSelf - Actor (archive footage) | Self - Actor (archive footage) |
 Sergio LeoneSelf - Filmmaker (archive footage) | Self - Filmmaker (archive footage) |