Yes, there are two main versions of "Once Upon a Time in the West." The original theatrical release in 1968 was edited down to approximately 145 minutes. However, a restored version was released later, known as the "extended cut," which runs about 179 minutes. This version includes additional scenes and dialogue that provide deeper character development and enrich the story. The longer cut has gained recognition for its artistic merit, making both versions significant in their own right.

As of my last update in October 2023, "Once Upon a Time in the West" is not available on Netflix. Streaming availability can change frequently, so it's a good idea to check directly on Netflix or use a service like JustWatch to see where the movie is currently streaming. You might also find it available for rent or purchase on platforms like Amazon Prime Video, Google Play, or iTunes.

Clint Eastwood was not in "Once Upon a Time in the West" because director Sergio Leone originally envisioned the film as a follow-up to his "Dollars Trilogy" but decided to cast Henry Fonda, Charles Bronson, and Claudia Cardinale instead to create a different tone. Leone sought to explore themes of civilization versus savagery and wanted a more dramatic approach, which led him to choose actors who could embody those characters in a way that differed from Eastwood’s iconic anti-hero persona.

"Once Upon a Time in the West," directed by Sergio Leone, was primarily filmed in several locations in Italy and the United States. Key filming sites included the Cinecittà Studios in Rome, Italy, where many interior scenes were shot. The breathtaking outdoor scenes were filmed in the Tabernas Desert in Almería, Spain, known for its rugged landscape that resembles the American West. Additionally, some scenes were shot in other parts of Italy, contributing to the film's iconic visuals.