The Title’s Inspiration
Although there was no real-life filthy dozen, there was supposedly a military gang known as The Filthy Thirteen. Some speculate that the novel’s author, Nathanson, was inspired by this particular group of World War II paratroopers. And if you’re wondering why they were so filthy, it’s because they didn’t shave or wash their hair during their D-Day preparations.
It Boosted Donald Sutherland’s Career
Sutherland was cast soon before filming began after the first choice dropped out due to concerns that the film might jeopardize his career. The father of Kiefer Sutherland, a Hollywood star, made the most of the occasion. Sutherland’s impersonation of a general is claimed to have led to his star-making part in M*A*S*H, according to accounts.