In the Star wars trash compactor scene, Mark Hamill held his breath for so long that he broke a blood vessel in his face.

 http://www.worldtvpc.com/blog/20th-century-fox-arriving-android-devices/




When 20th Century Fox tried to distribute Star Wars, fewer than 40 theaters wanted to show it. They had to threaten the theaters by saying they had to show it or they would not be able to show The Other Side of Midnight.