Thirteen Assassins – Eiichi Kudo (1963)
Samurai Wolf – Hideo Gosha (1966)
Eleven Samurai – Eiichi Kudo (1966)
Samurai Wolf II – Hideo Gosha (1967)
Goyokin – Hideo Gosha (1969)
Slaughter in the Snow – Kazuo Ikehiro (1973)
Kumokiri Nizaemon – Hideo Gosha (1978)
The Shogun's Samurai – Kinji Fukasaku (1978)
Hunter in the Dark – Hideo Gosha (1979)
G.I. Samurai – Mitsumasa Saito (1979)
Chushingura: Vendetta of Obligation – Toshio Masuda & Buichi Saito (TV movie, 1985)

A favorite actor of Hideo Gosha, the hirsute Natsuyagi gained his top notoriety as the lead in the director's Samurai Wolf films.