Kaley Cuoco's Boyfriend Didn't Know She Was Penny in 'Big Bang Theory

Tom Pelphrey only found out that Kaley Cuoco played Penny in "The Big Bang Theory" when his family kept calling her by the character's name.
Tom Pelphrey only found out that Kaley Cuoco played Penny in The Big Bang Theory when his family kept calling her by the character's name.

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