Watch Tom Cruise Hang Off Side of a Plane for 'Mission: Impossible Rogue Nation'

"Why do the stunts look real? Because they are real," Cruise said.

The film, due out at the end of the month, released a 1-minute video showing Cruise hanging off the side of a plane as it takes off.

Read: Tom Cruise Films Death-Defying Stunt for 'Mission: Impossible 5'

"I couldn't sleep the night before, then came the day. I thought, 'Oh, this is really going to happen?'" he says in the clip.

Furthermore, Cruise, 53, did the take eight times.

Watch it and try not to feel queasy.