Jin-Roh , also known as Jin-Roh: The Wolf Brigade in its American release, is a 1999 Japanese animated action political thriller film directed by Hiroyuki Okiura and written by Mamoru Oshii. Based on the first chapter of volume 1 of Oshii's manga Kerberos Panzer Cop, it is the third film in the Kerberos Saga after 1987's The Red Spectacles and 1991's StrayDog: Kerberos Panzer Cops, and is the only fully-animated film in the saga.

Mamoru Oshii is a Japanese filmmaker, television director and writer. Famous for his philosophy-oriented storytelling, Oshii has directed a number of acclaimed anime films, including Urusei Yatsura 2: Beautiful Dreamer (1984), Angel's Egg (1985), Patlabor 2: The Movie (1993), and Ghost in the Shell (1995). He also holds the distinction of having created the first ever OVA, Dallos (1983). As a writer, Oshii has worked as a screenwriter, and occasionally as a manga writer and novelist. His most notable works as a writer include the manga Kerberos Panzer Cop (1988–2000) and its feature film adaptation Jin-Roh: The Wolf Brigade (1999).