Peter Gallagher, the caterpillar-browed actor best known for the TV show The O.C. and films like While You Were Sleeping, is standing on a street corner, cell phone wedged against his shoulder, simultaneously trying to maintain an animated conversation and order a hotdog from a street vendor. Commuters push past him on the sidewalk, and in the background, yellow taxis fight their way through traffic.
It's a picture-perfect New York City moment, and it's only after the director yells "Cut!" that you'd notice that the façade over Gallagher's right shoulder is in fact the 100-year-old Ford Building in downtown Detroit. This...