- Enforced Method Acting: To simulate bullet hits on walls, grass, etc., instead of using squibs, spots were marked for snipers to shoot on, even when actors were near. This method (which is common practice in Thailand, where this movie was shot) was used, because the setting up of squibs were thought to be too time consuming. Actor Eddy Ko still has a scar on his chest because one bullet ricocheted and hit him there.
- Executive Meddling: The drug/sex scene was imposed on John Woo by the studio to give the movie more "production value" for sale to foreign territories. Most non-Hong Kong versions run about 82 to 84 minutes, with most of the major cuts coming not in the violence, but expository scenes such as those between Chung and his sister-in-law.
- The Shelf of Movie Languishment: The movie was filmed in 1984 and 1985 and then shelved. After John Woo's amazing box office success with A Better Tomorrow, it was finally released.
Trivia / Heroes Shed No Tears