Masahiro Shinoda
is a 1999 Japanese ninja-themed jidaigeki film directed by Masahiro Shinoda. It was co-written by Shinoda and Katsuo Naruse, and stars Kiichi Nakai It is the second adaptation of Ryōtarō Shiba's 1959 novel "Fukurō no Shiro", the first being the 1963 film "Castle of Owls".