is a Japanese actor and voice actor. He is noted for his roles in Return of Ultraman, Eyeful Daisakusen, Uchuu Keiji Gavan, Ninpu Sentai Hurricanger, G-Men '75, and Shin Kyoto Meikyà « Annai. His guest roles have included multiple episodes of Key Hunter, Mito Kà Âmon, Taiyà  ni Hoero!, Zenigata Heiji, and Abarenbà  Shà Âgun. He is also a regular guest star in the two-hour prime-time special drama format, with 35 appearances on the Tuesday Kayà  Suspense Gekijà  and 25 on the Saturday Doyà  Wide Gekijà Â. A veteran jidaigeki actor, Nishida portrayed the recurring villain Mugensai who masterminded the plot to assassinate the shogun in the series Shogun Iemitsu Shinobi Tabi Part II. He appeared as Asano Daigaku, younger brother of the daimyà  whose forced seppuku triggered the events of the Forty-seven rà Ânin, in The Fall of Ako Castle. A modern role was in the 1986 Kei Kumai film adaptation Umi to Doku of the Shà «saku Endà  novel of the same name (translated as The Sea and Poison). Three films in the Gokudà  no Onna-tachi series of gangster films are also to his credit. In anime, Ken provided the Japanese voice of Kazundo Gouda in '.