After escaping from an insane asylum, a medical student assumes the identity of a mysterious dead man, who appears to be his doppelganger, and gets lured to a sinister island ruled by a mad scientist and his malformed men.
You can now watch Horrors of Malformed Men online on the following streaming providers in the United States.
| Directing | Teruo Ishii | Director |
| Writing | Rampo Edogawa | Novel |
| Sound | Hajime Kaburagi | Music |
| Camera | Shigeru Akatsuka | Director of Photography |
| Writing | Masahiro Kakefuda | Screenplay |
| Production | Shigeru Okada | Producer |
| Writing | Teruo Ishii | Screenplay |
| Production | Kanji Amao | Producer |
| Art | Akira Yoshimura | Production Design |
| Editing | Tadao Kanda | Editor |
| Sound | Hiroo Nozu | Sound Recordist |
| Lighting | Etsuaki Masuda | Lighting Director |
| Directing | Tomoomi Yoda | Assistant Director |
| Costume & Make-Up | Seiichi Torii | Makeup Artist |
| Costume & Make-Up | Satoko Shiratori | Hairstylist |
