Calico Cat Holmes and the Lord of the Haunted Castle (1992)
Original title: 三毛猫ホームズの幽霊城主
Calico Cat Holmes and the Lord of the Haunted Castle is a 1992 Japanese-language animation movie directed by Nobuyuki Kitajima, with a running time of 45m. It stars Noriko Hidaka, Toshihiko Seki and Daiki Nakamura.
Based on Akagawa Jirou's popular book series about hapless detective Katayama Yoshitaro who lives with his sister Harumi and their cat Holmes, which has a sixth sense when it comes to solve mysteries. In this stand alone OVA the aftershow party of Harumi's acting troupe becomes the showplace of murder and tragedy. Luckily Yoshitaro brought Holmes along.