- Country: Japan
- Genres: Drama
- Release:
- Director: Eiichi Kudo
- Writers: Ichirô Ikeda , Ryōtarō Shiba
- Language:
- Stars: Ryutaro Otomo , Minoru Oki , Hizuru Takachiho , Chiyoko Honma , Chōichirō Kawarasaki , Kensaku Hara , Akitake Kôno , Junko Matsukawa , Masao Mishima , Kantarô Suga
- Runtime: min
- Awards:
- AKA: Ninja Hicho Fukuro No Shiro (India) , Ninja hicho fukuro no shiro , 忍者秘帖 梟の城 (Japan) , Замъкът на совите (Bulgaria) , Castle of Owls
- Plot:
- IMDB:tt0199857
Castle of Owls Cast · · · ALL
Eiichi Kudo
Director
Ryutaro Otomo
Juzo
Minoru Oki
Gohei
Hizuru Takachiho
Kohagi
Chiyoko Honma
Kizaru
Chōichirō Kawarasaki
Kumotaro
Kensaku Hara
Akitake Kôno
Masao Mishima