The film
- Box Office Bomb: Budget of $17million, but only made $10million at the box office. Notable since An American Werewolf in London and The Howling (1981), two other wolf-themed movies released that same year, had much smaller budgets and were more financially successful than Wolfen.
- Completely Different Title:
- Greece: Werewolves
- Portugal: City in Panic
- Spain: Human Wolves
- Taiwan: Werewolves Are By Your Side
- The Foreign Subtitle: Became Wolfen: The Immortal Beast in Italy.
