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'Jurassic Park' Cast Then & Now

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THEN: Joseph Mazzello as 'Tim Murphy'

Tim Murphy, played by Joseph Mazzello, is Lex's younger brother and the grandson of park owner John Hammond. Murphy is fascinated by dinosaurs. —XFINITY Entertainment Staff (Photo: Universal Pictures)

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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