When John Ritter passed away unexpectedly in 2003 at the age of 54, it felt like the wind had been knocked out of us. He was on the set of 8 Simple Rules, doing what he did best - making people laugh ...

Before Kaley Cuoco was the outgoing neighbor Penny on "The Big Bang Theory," or the foul-mouthed, mallet-swinging anti-heroine in "Harley Quinn," she was the bubbly eldest daughter on "8 Simple Rules.

Add Yahoo as a preferred source to see more of our stories on Google. When John Ritter passed away unexpectedly in 2003 at the age of 54, it felt like the wind had been knocked out of us. He was on ...