StrayDog: Kerberos Panzer Cops, lit. "Kerberos: Watchdog of Hell" (ケルベロス 地獄の番犬, Keruberosu: Jigoku no Banken), a 1991 Japanese film directed by Mamoru Oshii and starring Shigeru Chiba and Yoshikatsu Fujiki. It is the second Kerberos saga film. It was preceded by The Red Spectacles, released in 1987. The film is a prequel to The Red Spectacles. It was followed by Jin-Roh in 1999.