In 2000, he debuted in the variety show Appare Sanma Dai Sensei at the age of ten.
Later on he played in the film Detroit Metal City and played supporting roles in dramas such as Gakkō no Kaidan, Omoni Naitemasu, and Kaitō Yamaneko.
Ryo Kato has been suggested to play 23 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.