![](https://image.tmdb.org/t/p/w92/2Mhd2VXiTu1jmkmCbw6L96n40Ba.jpg)
A mad scientist changes his simple-minded handyman into a werewolf in order to prove his supposedly crazy scientific theories - and exact revenge.
George Zucco,
Anne Nagel,
Johnny Downs,
Glenn Strange,
Robert Strange,
Gordon De Main,
John Elliott
Added on Amazon Prime 2023-03-29.