Deputy Ishida is a P.O.S.T. Certified Sheriff's officer employed by the Beacon County Sheriff Station under the leadership of Sheriff Noah Stilinski. He is introduced in the Paramount+ streaming feature film Teen Wolf: The Movie in 2022.
Deputy Ishida is portrayed by Nobi Nakanishi who previously appeared on Teen Wolf in the Season 3 episode Letharia Vulpina as the Yakuza boss Ikeda and as Ikeda's father who was possessed by a Nogitsune in the episode Silverfinger.
Teen Wolf: The Movie
He is at the station when the Nogitsune arrives. The spirit reveals that the deputy is a kitsune and that his brother, Ikeda, knew it and never told him. The Nogitsune forces the fox out of the man and steal its tails in order to summon nine Oni, though Ishida is killed in the process.