Knock on door: "Penny, Penny, Penny!" Knocking on Penny's door is not only Sheldon, but a huge lottery. The Big Bang Theory star has one of the highest salaries as a woman on television, only trailing behind one competitor that is to be revealed. Though Kaley Cuoco does a lot more than sing "Soft Kitty," she is still not paid as much as her male colleagues on one of the world's favourite comedy sitcoms. However, with a $26 million salary, she earns a lot more than pennies for her fantastic work.