|This needs a stretch.|
The werewolves were the disguises of Whitney Doubleday and his trained baboons.
Big Top Scooby-Doo!
They were haunting a circus, stealing jewelry, and apparently creating more werewolves. The people they "converted" were actually kidnapped and tied up, and the disguised baboons wore their clothing.
- DTV18. Big Top Scooby-Doo!