I did a small, small thing in Quiz Show, where I was really just a glorified extra. But, you know, New York actor, few days on a film set: Great! I was probably making subway fare on the play that I was doing at the time. I always think of The Underneath as the first film that I ever did.
Design has a powerful impact on the viewer. It has authority, and data also has the same air of authenticity and detail. It can be hard to argue with a graph, and it's hard to argue with data. So to combine data with a strong visual impact creates a powerful message.