- Country: Japan
- Genres: Action, Drama
- Release: 1965-05-01
- Director: Kimiyoshi Yasuda
- Writers: Seiji Hoshikawa , Renzaburō Shibata
- Language: Japanese
- Stars: Raizō Ichikawa , Michiko Saga , Machiko Hasegawa , Masako Aboshi
- Runtime: 75 min
- Awards: N/A
- AKA: Nemuri Kyôshirô: Mashôken , 眠狂四郎魔性剣 (Japan) , Sleepy Eyes of Death: Sword of Satan (United States of America) , Nemuri Kyoshiro: Devilish Sword , The Mysterious Sword of Kyoshiro Nemuri
- Plot: Tsurumatsu, a young boy, is supposed to be a new Lord but he's not really interested, he would rather be a carpenter. So he gets kidnapped and it's up to Nemuri Kyoshiro to save him.
- IMDB:tt0148937
Sleepy Eyes of Death: Sword of Satan Cast · · · ALL
Kimiyoshi Yasuda
Director
Raizō Ichikawa
Nemuri Kyoshiro
Michiko Saga
Orin
Machiko Hasegawa
Otsuya
Noriko Hodaka
Saburo Date
Anzai
Fujio Suga
Ryûtarô Gomi
Kōichi Mizuhara
Shinjirô Asano
Yoshio Inaba
Gen Kimura
Chikara Hashimoto
Yoichi Funaki
Hajime Koshikawa
Jun Fujikawa
Kanae Kobayashi