9. KALEY CUOCO

TV Show: The Big Bang Theory
Comedic claim to fame: Only a TV version of Penny, i.e. Cuoco's hot aspiring actress character on the hit CBS sitcom, would move into an apartment across from two of the most socially awkward physicists and willingly play with one of their test tubes. We're irrationally disappointed; this is why people warn against believing everything you see on television.