<article> <figure> <img src="http://www.moviesom.com/resources/20150216211140social.jpg" title='Once Upon a Time in the West: An Opera of Violence' alt='Once Upon a Time in the West: An Opera of Violence'/> </figure> <h1>Once Upon a Time in the West: An Opera of Violence</h1> <p>Part one in a documentary trilogy about the making of "C'era una volta il West". An Opera of Violence begins with a biography of director Sergio Leone. A part about the difficult path Leone had to take to make this film, follows. Part one concludes with the decisions about casting. Who was asked to act in this film, why did Leone choose these actors ?</p> <details><summary>Runtime: 29</summary> <summary>Release date: 2003-11-18</summary></details> </article>