Like his father, Kentaro Seagal has dabbled in acting, though his acting career has been far less prolific, going by the four credits his IMDb page lists. He also seems to be rather more reclusive than his famous dad. Bram Frank's "compendium of the world's leading Grandmasters," WHFSC Grandmaster's Council, features a profile of his 7th dan aikido instructor mother, Miyako Fujitani, and briefly mentions that Kentaro is a 4th dan black belt himself, and has even worked as a chief instructor of Fujitani's dojo in the Los Angeles area.
In 2010, when Steven Seagal was facing a sexual harassment lawsuit, celebrity news site Radar Online actually managed to score an exclusive interview with the elusive Kentaro. While the son reportedly kept a photo of his father at the dojo, Kentaro made it perfectly clear that the two are not on speaking terms, and he's not looking to reconnect with his old man.