10 Recent Movie Performances Even More Impressive When You Know The Truth

10. A Last-Minute Helicopter Scene Keeps The Cast On Their Toes - Ambulance

When signing up to appear in a flick helmed by the action-obsessed mind behind the likes of the Transformers franchise and Armageddon, it's safe to assume that you'll wind up being thrust into the middle of a pulsating real-life stunt-heavy sequence before your time on set is over.

But in the case of Jake Gyllenhaal and Yahya Abdul-Mateen II when working on Michael Bay's most recent project by the name of Ambulance, the duo were very much under the impression they were done for the day before arguably one of the thriller's most intense action scenes was suddenly dropped in their laps.

With both stars on their way home in the titular vehicle to get their own clothes, the barmy director radioed for the two Sharp's to spin around and head to the L.A. River.

Upon showing up to the locale, Bay would reveal to his actors, ‘I have an idea! I have two helicopters!' And before long Gyllenhaal was hanging out the side of said Ambulance as Bay improvised and entirely shot a gripping back-and-forth between the airborne and grounded vehicles in just two-a-half-hours.

In fact, the film managed to wrap altogether in just 38 days. But that speedy shoot pales in comparison to...