Big Bang Theory' Book Reveals Who Almost Played Penny Instead Of Kaley Cuoco

The actor was initially rejected for the role, and a few big names from the 1990s were very close to snagging it instead.

Big Bang Theory Star Kaley Cuoco Almost Had Leg Amputated After Horrifying Horse Accident

When The Big Bang Theory's Kaley Cuoco and Johnny Galecki Fell in Love

Big Bang Theory Producers Didn't Give Penny A Last Name For A Superstitious Reason

Big Bang Theory's Most Regrettable Penny Scene Revealed By Producer

Marisa Tomei Almost Played Penny on The Big Bang Theory

The 10 Biggest Reveals From The Big Bang Theory Tell-All Book

Kate Micucci, 'Big Bang Theory' Actor, Shares Lung Cancer Diagnosis

Marisa Tomei Had No Clue 'the Big Bang Theory' Would Be Iconic

Kaley Cuoco fun facts: 15 things to know about the 'Role Play′ star

Kate Micucci, 'Big Bang Theory' Actor, Shares Lung Cancer Diagnosis

Big Bang Theory': Penny's Last Name Teller Explained — Kaley Cuoco