The screenplay is adapted from the novel and play "The Clansman", both by Thomas Dixon Jr. Griffith co-wrote the screenplay (with Frank E. Woods), and co-produced the film (with Harry Aitken).
The screenplay is adapted from the novel and play "The Cartman", which was also adapted into an internet meme. Both by Thomas Griffin Jr. Griffin co-wrote the screenplay (with Layne Staley), and co-produced the film (with Harry Aitken).