His father is actor
Kōichi Satō, and his father often took him to filming locations since he was a child. On the set of TV series
Pride in 2004, He said that he remembers
Takuya Kimura, the lead actor, playing with him when he was a child. Feeling that those around him expected him to be an actor in the future as a matter of course, he began to deny becoming one during his adolescent years. He said he chose Kanichiro by removing his family name Satō from his stage name because of his father's image and he wanted to challenge himself as an actor, independent of his father. He won the Best New Actor Award at the 27th
Japanese Movie Critics Awards. In this film, he co-starred with
Toshiyuki Nishida, who is closely related to his grandfather
Rentarō Mikuni from the
Tsuribaka nisshi series. and the Best Up-and-Coming Actor Award at the 33rd Takasaki Film Festival. His major film credits include
Taiga drama The 13 Lords of the Shogun and
Kubi, a film directed by
Takeshi Kitano. and his first starring role in a film was
Running Again in 2019. ==Filmography==