Actors of American sitcom 'The Big Bang Theory' have occupied the top four spots on Forbes' list of World's Highest Paid TV Actors with Jim Parsons leading. Parsons, who plays Sheldon Cooper, earned $25.5 million in 12 months till June 1, 2016. He was followed by co-stars Johnny Galecki ($24 million), Simon Helberg ($22.5 million) and Kunal Nayyar ($22 million).