|This article is about a/an actress in Mirai Sentai Timeranger.|
As a child, she also had a part in the Metal Heroes series Jikuu Senshi Spielban, playing the hero's sidekick, Diana, in her childhood, alongside fellow Timeranger cast member Masaru Nagai, who played the hero, Yousuke Jou, as a child.She played Member Kisaragi of the Ultra Garrison in Ultraseven Evolution (2002).
On June 6, 2006, she married Yūsuke Tomoi who played Ryo Ashihara/Kamen Rider Gills in Kamen Rider Agito. In August that same year, Mika gave birth to a girl. The couple separated in June 2008 and announced their divorce in August 2008. Katsumura gained custody of their daughter.
- Hyakujuu Sentai Gaoranger vs. Super Sentai (2001) as Yuuri