tokens: " , and an early leak of the script suggested that it would feature celebrity cameos by Vince Vaughn , Jon Favreau , Christian Bale , Ben Stiller , Steve Carell , George Clooney , Jack Black , Jean-Claude Van Damme , Mel Brooks , Matt Damon , Anne Hathaway , Emily Blunt , Rachael Ray , Bob Saget , Lisa Lampanelli , Jeff Ross , and Charles Grodin .