Mission: Impossible's submarine heist scene has among the best visuals in the film, but it's also where the film breaks the suspension of disbelief.

His longtime stunt coordinator and second unit director Wade Eastwood told The Times of London newspaper how drained the actor was by one particular stunt in the eighth (and apparently final) instalment of his hit franchise Mission: Impossible – Final Reckoning – one which involved him walking on the wing of a small biplane mid-air.

The Final Reckoning" director Christopher McQuarrie breaks down his ending and that "gnarly" Tom Cruise stunt. Spoilers!