Director Kim ki-Duk wrote the screenplay of the movie in one month, the movie was filmed in 16 days and the film editing was done in 10 days.
Crew members gave up half their paychecks to fund the movie, but were later paid with profit.
The golf ball tied to the tree is how the director practiced hitting a golf ball. It saved him spending money at a golf course
The main actor didn't know how to play golf. The director taught him how to hit a golf ball.
Director Trademark (Kim Ki-duk): Both protagonists remain silent for much of the film.