- Box Office Bomb: Budget, unknown. Box office, $9.8 million.
- Completely Different Title: This movie's original American title was changed from The Villain to Cactus Jack for release in foreign territories such as the UK and Australia, after the picture failed commercially at the box-office in the U.S.
- No Stunt Double: Kirk Douglas did a few of his own stunts.
- Prop Recycling: The sign in front of a saloon is the painting from the side of Snowman's truck in Smokey and the Bandit, also directed by Hal Needham.
Trivia / The Villain