Glen Powell suffers embarrassing wardrobe malfunction during stunt on 'The Running Man' movie set

Glen Powell reveals an embarrassing wardrobe malfunction while filming a rappelling stunt for "The Running Man" that left him exposed to crew members inside a building.

"And, you know, when you're going down the building and you see a window, you don't realize there's people in there, like, lighting and doing electric." Lori Bashian is an entertainment production assistant for Fox News Digital. 

He detailed a stunt which involved him rappelling down the side of a building while seemingly naked, explaining he was wearing a towel with "a little, like, a pouch underneath," which he referred to as "a marble sack."

"So I'm wearing a pouch under, and then I'm wearing a towel around it," he explained. "But then you're rappelling down a building. And, you know, when you're going down the building and you see a window, you don't realize there's people in there, like, lighting and doing electric."