The film's writer, composer, director and executive producers went to school together.
The Catskill Mountains, near which Behind The Mirror was shot, was where Rip Van Winkle slept.
The story of Behind The Mirror pays subtle tribute to Hemingway's The Sun Also Rises, Kerouac's On The Road, and Bukowski's Dinosauria We.
Emmanuel Giusti, who played Dominik, the judo master in Behind The Mirror, was a real-life Judo champion in the French Army.
The newspaper Xavier is reading in his basement, The Crisis, is named after Thomas Paine's American Revolution journal, The American Crisis.