<P> Harmonica draws first and shoots Frank . As he lies dying , Frank again asks who he is , and Harmonica stuffs his harmonica into Frank 's mouth , like Frank did to him when he was a child . Frank suddenly remembers Harmonica as a boy , collapses to the ground clutching the harmonica in his mouth and dies . Harmonica and Cheyenne say goodbye to Jill , who is supervising construction of the railway station as the track - laying crews reach Sweetwater . Cheyenne collapses , revealing that he was mortally wounded by Morton during the fight with Frank 's gang . As the work train arrives , Jill carries water to the rail workers , while Harmonica rides away with Cheyenne 's dead body . </P>
<P> Harmonica draws first and shoots Frank . As he lies dying , Frank again asks who he is , and Harmonica stuffs his harmonica into Frank 's mouth , like Frank did to him when he was a child . Frank suddenly remembers Harmonica as a boy , collapses to the ground clutching the harmonica in his mouth and dies . Harmonica and Cheyenne say goodbye to Jill , who is supervising construction of the railway station as the track - laying crews reach Sweetwater . Cheyenne collapses , revealing that he was mortally wounded by Morton during the fight with Frank 's gang . As the work train arrives , Jill carries water to the rail workers , while Harmonica rides away with Cheyenne 's dead body . </P>
who killed cheyenne in once upon a time in the west
who killed cheyenne in once upon a time in the west
Morton
Morton