Takeo Saeki is a fictional character appearing in the Ju-on film franchise and the husband of Kayako Saeki. Since his introduction up to The Grudge 3, he has been portrayed by long-time veteran actor Takashi Matsuyama; he is the only Saeki family member not to be portrayed by multiple actors. However, Matsuyama was replaced by actor Yasuhito Hida for the 2014 Japanese reboot, Ju-on: Beginning of the End, and its sequel Ju-on: The Final Curse.

Ju-On: The Grudge is a 2002 Japanese supernatural horror film written and directed by Takashi Shimizu. It is the third installment in the Ju-On series and the first to be released theatrically. It stars Megumi Okina, Misaki Ito, Takashi Matsuyama and Yui Ichikawa.