Dwayne Johnson reveals how his parents' personal struggles influenced one of his heartbreaking movie scenes

Dwayne Johnson reveals how his parents' personal struggles influenced one of his heartbreaking movie scenes

Johnson dug deep to play UFC fighter and MMA pioneer Mark Kerr in the biopic "The Smashing Machine."A24 Dwayne Johnson in 'The Smashing Machine'Things got personal for Dwayne Johnson while filming a pivotal moment in the Mark Kerr biopic The Smashing Machine.In the scene, Mark (Johnson), a UFC fighter and MMA pioneer, has just overdosed and is in the hospital. His friend, Mark Coleman (Ryan Bader), pays him a visit and implores him to go to reha…