- Country: USA
- Genres: Drama, Horror, Romance
- Release: 1942-05-15
- Director: Sam Newfield
- Writers: Fred Myton
- Language: English
- Stars: Johnny Downs , George Zucco , Anne Nagel , Glenn Strange , Sarah Padden , Gordon De Main , Mae Busch , Reginald Barlow , Robert Strange , Henry Hall
- Runtime: 77 min
- Awards: N/A
- AKA: O Monstro Sinistro (Brazil) , Vuelve el hombre lobo (Mexico) , The Mad Monster , To teras tis frikis (Greece) , The Mad Monsters (United States of America) , Le monstre fou (France, French Republic) , Безумный монстр , Το τέρας της φρίκης (Greece) , The Mad Monster (United Kingdom) , Mostro pazzo (Italy) , The Mad Monster (United States of America)
- Plot: Dr. Cameron has succeeded in his experiments with a serum which will turn a man into a wolf-like monster, and is ready to avenge himself on the men who caused his professional failure. He uses it on his gardener Petro and one after the other is killed by his creation. His daughter, Lenora, grows suspicious and confides with newspaper reporter Tom Gregory.
- IMDB:tt0035009
The Mad Monster Cast · · · ALL
Sam Newfield
Director
George Zucco
Lorenzo Cameron
Anne Nagel
Lenora Cameron
Johnny Downs
Tom Gregory
Glenn Strange
Petro
Robert Strange
Professor Blaine
Gordon De Main
Professor Fitzgerald
John Elliott
Professor Hatfield
Reginald Barlow
Professor Warwick
Sarah Padden
Grandmother
Mae Busch
Susan
Ed Cassidy
Father
Henry Hall
Country Doctor
Eddie Holden
Jed Harper