Ken Yamaguchi has appeared in 6 movies.
These include Charge!! Men's Private School, Saint Seiya: Warriors of the Final Holy Battle, Crayon Shin-chan: Action Mask vs. Leotard Devil, Crying Freeman 1: Portrait of a Killer, Tottoi and Inferious Interplanetary War Chronicle - Condition Green.Ken Yamaguchi has appeared in 9 TV Series.
These include Charge! Men's Private School, The Melody of Oblivion, Bomber Bikers of Shonan, My Wife is a Magical Girl: Bewitched Agnes, Hyper Doll, Dragon Quest: The Adventure of Dai, Grimm's Fairy Tale Classics, Black Lagoon and Spaceship Sagittarius.