May 21 (Bloomberg) –- Acting in a film can mean long days and waiting around for hours until the director calls "action." So where do stars like Leonardo DiCaprio, Brad Pitt and Ben Affleck relax or get in character during their down hours on a movie set? They chill out in luxury motor homes that may be bigger than some New York City apartments. Just don’t call them trailers, these are mobile mansions. (Source: Bloomberg)