Directed by Eric Kenton, Produced and Distributed by Universal Pictures Company,
Starring Boris Karloff, Glenn Strange, John Carradine, Lou Chaney Jr.
The evil and deranged Dr. Nienmann, along with his hunchback assistant Daniel, seek revenge on certain individuals that threw the duo in prison. To ensure his revenge is swift and complete, he recruits Dr. Henry Frankenstein's Monster (Glenn Strange), Count Dracula (John Carradine), and the Wolf Man (Lou Chaney Jr.) to enact bloody murder on said individuals. However, Dr. Neinmann is blinded by his pride and lust for revenge; this becomes his downfall.
FUN FACT: This film was based on Curt Siodmak's The Devil's Brood (1944), who also did the screenwriting for the film.