In this image released by Sony Pictures, Brad Pitt, left,...

In this image released by Sony Pictures, Brad Pitt, left, and Jonah Hill are shown in a scene from "Moneyball." The film was nominated Tuesday, Jan. 24, 2012 for an Oscar for best film. Pitt was also nominated for best actor and Hill was nominated for best supporting actor. Credit: AP

Many of this year's Oscar nominees began their careers in TV -- some, like George Clooney ("ER") and Michelle Williams ("Dawson's Creek"), were big stars on the small screen before they went on to do feature films.

Other nominees, however, toiled in relative tube obscurity:

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