Keiko Horiuchi (堀内敬子, Horiuchi Keiko, May 27, 1971) is a Japanese actress from Fuchu City, Tokyo. She is affiliated with Cube. Formerly, she was a member of Gekidan Shiki (劇団四季, Theater Company Shiki). Keiko Horiuchi (堀内敬子, Horiuchi Keiko, May 27, 1971) is a Japanese actress from Fuchu City, Tokyo. She is affiliated with Cube. Formerly, she was a member of Gekidan Shiki (劇団四季, Theater Company Shiki).