Once Upon a Time in the West Movie (1968)

Once Upon a Time in the West Movie trailer (1968)
Plot synopsis: A mysterious stranger with a harmonica joins forces with a notorious desperado to protect a beautiful widow from a ruthless assassin working for the railroad.
Director: Sergio Leone
Writers: Sergio Donati, Sergio Leone, Dario Argento
Stars: Claudia Cardinale, Henry Fonda, Jason Robards