Kaley Cuoco remembers how late costar John Ritter 'instantly became my TV dad' at '8 Simple Rules' table read

Kaley Cuoco remembers how late costar John Ritter 'instantly became my TV dad' at '8 Simple Rules' table read

Ritter died in 2003 at 54.Jesse Grant/Variety via Getty; Sylvain Gaboury/FilmMagic Kaley Cuoco and John Ritter worked together on '8 Simple Rules' until his 2003 deathKaley Cuoco won't forget her first time working with the late John Ritter, when he played her dad on the former ABC sitcom 8 Simple Rules."I was 16 when we did our first table read, and I was playing the 'sexy' sister," Cuoco told PEOPLE recently at the John Ritter Foundation for A…