Jeffery Mio, author of Multicultural Psychology: Understanding Our Diverse Communities, hypothesizes that the film industry, mostly white, hires people of similar backgrounds. Mio said of the rationale that only the most qualified actors are cast, "That's the argument that directors and casting directors make, but a lot of times ethnic actors will tell us that when they say we're just choosing the best actor, they mean we're choosing our friends, or people we're used to."[1] Craig Detweiler, professor of film history at Pepperdine University, said, "There are a shortage [sic] of African American, Asian and Latino stars.