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How can Linda Cardellini also be Velma Dinkley?

Not to judge anyone by their looks, but: How can Linda Cardellini, who can appear in full-on Hollywood Blonde Knockout mode like this, also play the nerdy Velma Dinkley in the Scooby Doo movies? Salute to her for versatility and true shape-shifting charm. This photo was taken at a Los Angeles screening of the film Brokeback Mountain at Mann's National Theater in Westwood, California on November 29, 2005. Linda Cardellini had a supporting role in the film as Cassie, a waitress who has a fling with Heath Ledger's character, Ennis.

See our biography of Linda Cardellini