Dwayne 'The Rock' Johnson goes full beast mode at 'The Roast of Kevin Hart,' which is streaming on Netflix. The longtime pals and co-stars laughed hard as The Rock hit Kevin with zingers about his height, wife and late father. More from Entertainment Tonight: https://www.youtube.com/channel/UCdtXPiqI2cLorKaPrfpKc4g?sub_confirmation=1...