The 2016 war movie Hacksaw Ridge was based on a documentary called The Conscientious Objector, about Desmond Doss, a World War II medic who refused to carry a weapon. He was the first conscientious objector to be awarded the Medal of Honor. The movie was a hit with critics, a box-office hit, and won a slew of awards. You might want to learn some of the things that went on behind the scenes of Hacksaw Ridge.
7. Some things were obviously changed for the film.
The fight between Desmond and his father was actually between Desmond’s father and his uncle. His mother had Desmond hide his father’s gun so nothing happened.
6. The director said that the war scenes were based on his nightmares.
Mel Gibson’s father was a WWII veteran that would tell his son of his days on the battlefield as bedtime stories. There’s no doubt that there would be a few restless nights following that.
There's more trivia about Hacksaw Ridge at TVOM.