Ken Yamaguchi (山口 健), born Kiyoshige Yamaguchi (山口 清成), was a Japanese voice actor.
Monster
Dragon Ball Z: The World's Strongest
Black Lagoon
Saint Seiya: Warriors of the Final Holy Battle
Grimm's Fairy Tale Classics
Dragon Quest: The Adventure of Dai
Street Fighter Alpha: The Movie
Crayon Shin-chan: Action Mask vs. Leotard Devil
Captain Tsubasa Movie 04: The Great World Competition!! The Junior World Cup
Project A-Ko
Casshern Sins
Megazone 23
Crying Freeman 1: Portrait of a Killer
Mad Bull 34
Violence Jack: Hell's Wind
La Blue Girl
Riki-Oh 2: Child of Destruction
Chōjin Sentai Jetman
The Melody of Oblivion
Hikari Sentai Maskman
Cyborg 009: Legend of the Super Galaxy
Spaceship Sagittarius
Urotsukidōji: Legend of the Overfiend
Hyper Doll
Charge! Men's Private School
Dagas Jailer (voice)
Baros KARATEYA (voice)
Staff Officer A (voice)
Baseball Club Member B (voice)
Station Colonel / Stray Dog (voice)
Olrogg-ian (voice), Scholar (voice), Chemical's Subordinate (voice), Cosmo Service Agent (voice), Soldier (voice), Man (voice), Bartender (voice), Computer (voice), Customer (voice)
Akira Ishikawa (voice)
Gonzales (voice)
Policeman (ep 5)/Policeman A (ep 2) (voice)
Gatekeeper (voice), (voice)
Capila Doggler (voice)
Brown (voice)
Rakōn (voice)
Togashi Genji
Inomata
Police B
Togashi Genji (voice)
Picture Book Boma (voice)
Eligor (voice)
Ebifuryâ (voice)
Cop C (ep 4)/Man A (ep 2)
Additional voices
Gokumon
Co-Pilot Tamura
Black Knight (voice)
Haruo Takada (voice)
Secretary B (voice)
Flaizzard
Vacuum Jigen (voice)
Epsilon
沢村
Narrator (voice)
Totorino (voice)
Shinichiro Kageura (voice)
Director (voice)
Detective Todo (voice)
Death God
The Grim Reaper (voice)
Kenshiro Kagami
Sound Director
Gôken (voice)
Iwai (voice)
チャイルドどらごん / Child Dragon
Shioya
Ibraha (voice)
Robot (voice)
