Brian Thomas Smith is a Actor American born on 13 may 1977 at St. Louis (USA)
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Nationality USABirth 13 may 1977 (47 years) at St. Louis (
USA)
Brian Thomas Smith (born May 13, 1977) is an American actor and comedian known for playing the dim-witted Zack Johnson in The Big Bang Theory, and his appearances on Fear Factor and The Amazing Race. He has also made guest appearances on Two and a Half Men and The 100 Greatest TV Quotes & Catchphrases.
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