Who oversees the visual elements and helps create the overall design of a film?

The Art and Production Designer is responsible for overseeing the visual elements of a film and contributes significantly to the overall design. This role involves creating the visual concept of the film by determining the style and aesthetic that will be used, making decisions about set design, props, color schemes, and overall visual composition. The Art and Production Designer works closely with the director to ensure that the visuals align with the story and thematic elements of the film. This position is crucial for establishing the film's tone and helping to transport the audience into the story's world.

The other roles mentioned, while important in the production process, do not specifically focus on the overall design aspect of the film. The Director of Photography is primarily focused on the lighting and camera work to achieve the desired look on screen but does not handle set design and other visual elements in the same comprehensive manner as the Art and Production Designer. The Location Manager is responsible for finding and securing locations for filming, and the Film Editor deals with assembling the footage post-production, focusing on narrative structure and flow rather than the visual design before filming. Thus, the Art and Production Designer's unique focus on the film's aesthetic makes this answer the most accurate for the question posed.