Hollywood's invasion of the body switchers

When this summer’s hottest superhero flick, The Dark Knight, finally debuts, will audiences be baffled to see that Katie Holmes, who played Rachel Dawes in the last Batman film, has magically morphed into Maggie Gyllenhaal? I doubt it, since most people are probably just as baffled by Katie Holmes’ presence in a major motion picture anyway. But The Onion’s A.V. Club takes the opportunity to look back at “The Darrin Effect: 20 jarring cases of recast roles.”