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Updated: Mon, 14 Oct 2013 18:30:00 GMT | By Colleen Last
The Big Bang Theory: before they were famous

Kaley Cuoco



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Like Galecki, Kaley has acted from a young age. Here she is with Adam Brody, who went on to star in The OC, in the 1999 TV movie Growing Up Brady. Aren't they adorable?

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