The director is always the most important influence on the film
The director is always the most important influence on the film compare how far your two chosen films support this statement a common miss conception throughout society is that they believe that the director has all creative control over the piece of media they are producing. this is true to a certain degree but most pieces of media are influenced by production companies like Columbia Studios who can have a major impact on the films production. an example of this is Orson Welles' film "the lady from shanghai" which was released in 1947 was completely ruined when they fired Orson Welles from the film completely (for multiple reasons like going over budget) and Columbia Studios who was funding the production passed editing over to Viola Lawrence in an attempt to "save the story". this resulted in the entire movie to become disorientated with shots in the wrong place and the story being hard to read and leading to there being hardly any story at all. This can