Tom Cruise says he had to "train himself to breathe" for intense Mission: Impossible 8 stunts: "There were times I would pass out physically"

Tom Cruise as Ethan Hunt in Mission: Impossible - The Final Reckoning.

Tom Cruise and director Christopher McQuarrie went all out for the last installment of the Mission: Impossible franchise.

"There would be a day in Africa - any day in Africa - where Tom would go out and do something that topped anything he had ever done before," McQuarrie told Empire. "I truly want to puke thinking about the stress. It was intense.”