Seiji Arihara (有原 誠治, Arihara Seiji, born in 1948) is a Japanese anime director, storyboarder, screenwriter and former animator. He was born in Akita prefecture. After working at Shin-Ei Animation, he moved to Mushi Production where he stayed for a long time until he left.
Known For: Directing
Birthday: 1948-01-01
Place of Birth: Akita Prefecture, Japan
Also Known As: ありはら せいじ