Hiroyuki Watanabe (渡辺 裕之, Watanabe Hiroyuki; December 9, 1955 – May 3, 2022) was a Japanese actor. He primarily acted in dramas, of which a handful are tokusatsu series. One of his latest roles was as Taiga Saejima in the tokusatsu series GARO. He also played Kamen Rider Gaoh in the Kamen Rider Den-O movie, Kamen Rider Den-O: I'm Born!.
Source: “Hiroyuki Watanabe”, English Wikipedia (CC BY-SA 4.0), excerpt