Complex sentence: In 1930, an American film of the novel was made, directed by Lewis Milestone; with a screenplay by Maxwell Anderson, George Abbott, Del Andrews, C. Gardner Sullivan; and with uncredited work by Walter Anthony and Milestone.
Split into simpler sentences: In 1930, an American film of the novel was made, directed by Lewis Milestone. The screenplay was by Maxwell Anderson, George Abbott, Del Andrews, C. Gardner Sullivan, with uncredited work by Walter Anthony and Milestone.