In Skyscraper, Johnson plays a U.S. war veteran and amputee who will go to any length to save his family from an inferno in the world's tallest building. In this behind-the-scenes clip from the flick's special features, the actor introduces the motivation behind the role: Paralympian and motivational speaker Jeff Glasbrenner. Skyscraper is available digitally Sept. 24 and on Blu-ray, DVD and 4K Ultra on Oct. 9 and includes over 30 minutes of bonus content.
