<P> Sussman got his start in commercials, playing geeks or nerds during the dot com boom for companies like FedEx . </P> <P> In 1999, he made his film debut in Liberty Heights as Alan Joseph Zuckerman . </P> <P> Sussman moved to Los Angeles when he was cast in Ugly Betty . </P> <P> Since 2009, he has played the character Stuart Bloom on The Big Bang Theory . </P>

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