Larenz Tate refused to play the role of Jeremiah.
Sophie's role was initially set as an Asian girl.
The frozen lake in the film was taken on the Simcoe River north of Toronto, where the ice layer is 18 inches thick.
Director John Singleton played a special role as the goalkeeper of the Thanksgiving Ice Hockey Game in the film.
The temperature during filming was not higher than 24 degrees Fahrenheit.
In the scene of the exchange of fire in the Mercer House, 450 detonating devices that caused shooting effects were scattered inside and outside the house, and the flying fragments affected the actors.
"Fuck" was said 62 times in the film.
In the film, Garnett Hedland had a tattoo on his body and took two hours to complete. The real tattoo on his body is only the Catholic cross.
Before the filming of the film, the four leading actors all received skating training.
The whiskey the four brothers drank in the bar was actually apple juice concentrate.
The snow scenes in the film are real.
The director deliberately weakened the bloody level of Evelyn's murder scene.
The bathroom scene in the film was repeatedly filmed for two days. When the filming was completed, Mark Wahlberg walked out of the bathroom with the help of others. The prolonged hot water soaking has already caused his skin to peel off.
Ethan Hawke, Matt Damon, and Ben Affleck all refused to play Bobby, Ethan Hawke was due to a conflict in the film contract, and the latter two believed that the script was too violent.
