Dwayne Johnson talks about his career-changing role in the movie The Smashing Machine and what it was like to work with Benny Safdie on the film before bringing the real "Smashing Machine" Mark Kerr to hit Jimmy with feather-filled pillows. 0:00 - Dwayne Johnson Talks About the Success of His Movie The Smashing Machine 4:41 - Dwayne Johnson Had to Gain 30 Pounds of Muscle for The Smashing Machine 6:08 - Dwayne Johnson on Working with Benny Safdie on The Smashing Machine 8:50 - Dwayne Johnson Reveals The Smashing Machine Fight Scenes Were Real 11:25 - Dwayne Johnson Inducted Mark Kerr Into the UFC Hall of Fame 12:32 - Dwayne Johnson Gives a The Smashing Machine Sneak Peek 15:00 - Dwayne Johnson Bring Out Mark Kerr to Hit Jimmy with Pillows The Tonight Show Starring Jimmy Fallon. Stream now on Peacock: Subscribe NOW to The Tonight Show Starring Jimmy Fallon: Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35ET/10:35c Get more The Tonight Show Starring Jimmy Fallon: JIMMY FALLON ON SOCIAL Follow Jimmy: Like Jimmy: Follow Jimmy: Follow Jimmy on Threads: @jimmyfallon Follow Jimmy on TikTok: @jimmyfallon THE TONIGHT SHOW ON SOCIAL Follow The Tonight Show: Like The Tonight Show: Follow The Tonight Show: Follow The Tonight Show on Threads: @fallontonight The Tonight Show TikTok: @fallontonight The Tonight Show Starring Jimmy Fallon features hilarious highlights from the show, including comedy sketches, music parodies, celebrity interviews, ridiculous games, and, of course, Jimmy's Thank You Notes and hashtags! You'll also find behind the scenes videos and other great web exclusives. GET MORE NBC NBC YouTube: Like NBC: Follow NBC: NBC Instagram: Dwayne Johnson Gained 30lbs of Muscle for Smashing Machine Role, Pillow Fights Jimmy with Mark Kerr #FallonTonight #DwayneJohnson #JimmyFallon