Shingo Katsurayama (葛山 信吾, Katsurayama Shingo; born April 7, 1972, in Kameyama, Mie, Japan) is a Japanese actor who is represented by the talent agency CES. He is known as Kaoru Ichijo in Kamen Rider Kuuga and Keisuke Okuni in Ju-On: The Grudge 2. Katsurayama's hobbies include recreational driving, collecting mini-cars, karaoke, outdoor sports, as well as playing the saxophone.
Source: “Shingo Katsurayama”, English Wikipedia (CC BY-SA 4.0), excerpt