Kouichi Nagano has appeared in 10 movies.
These include One Piece Episode of East Blue, One Piece Special: Open Upon the Great Sea! A Father's Huge, HUGE Dream!, One Piece: Dream Soccer King!, Bakusō Kyōdai Let's & Go!! WGP Bōsō Mini Yonku Dai Tsuiseki!, Baby Felix & Friends, Let's & Go! WGP The Great Pursuit of the Berserk Mini 4WD car!, Asylum Session, One Piece Film: Z, One Piece Film Red and One Piece: Stampede.Kouichi Nagano has appeared in 9 TV Series.
These include Capeta, Mazinkaiser, Kyuukyuu Sentai GoGoFive, Dual! Parallel Trouble Adventure, Chousoku Spinner, Teenage Mutant Ninja Turtles: SuperMan Legend, Salaryman Kintaro, Eyeshield 21 and One Piece.