Gaku Sano was born on 3 April 1992 in Aichi, Japan. He is an actor, known for Kamen Raidâ × Kamen Raidâ Doraibu ando Gaimu Mûbî Taisen Furu Surottoru (2014), Kamen raidâ Gaimu (2013) and Kamen Rider Gaimu Soccer Daikessen Ohgon no Kajitsu Sôdatsusen (2014). He has been married to Keiko Sawaguchi since May 2023.