Annie Hall
This Woody Allen movie portrayed the hassles of dating very well. In one scene, Woody Allen and Diane Keaten were offered some cocaine.

Annie Hall
When Allen lifted it to his face, he let out a poorly-timed sneeze and the powder flew everywhere. It was an accident, though it definitely made for a great addition to the film.
ADVERTISEMENT
The Departed
Jack Nicholson makes another appearance on our list. He starred in The Departed opposite Leonardo DiCaprio.

The Departed
They were cast as Frank Costello and Billy Costigan respectively. When Frank brings up a gun to Billy’s face, you can see how shocked DiCaprio was. The emotion was genuine as Nicholson didn’t let the younger actor know he would be deviating from the script!