"Everyone knows that Tom Cruise likes to do his own stunts, but one could forgive him if he chose not to dangle 1,700 feet in the air on the side of Dubai’s Burj Khalifa skyscraper - the world's tallest building - during the filming of Mission Impossible: Ghost Protocol.
Yet dangle he did, 123 stories up, attached only to a single wire. When director Brad Bird thought for a moment about the predicament he had put one of the world’s biggest movie stars in, he admitted to thinking, “What the hell are we doing?”
Source: ranker.com