Koichi Yamadera is a Japanese voice actor and radio personality, known for voicing Jim Carrey and Eddie Murphy in the Japanese language releases of their respective films. In 2006, he divorced voice actress Mika Kanai.
| Movie | Batman Ninja vs. Yakuza League | Batman (voice) | 2025-03-17 |
| Movie | LUPIN THE IIIRD: Zenigata and the Two Lupins | Inspector Koichi Zenigata (voice) | 2025-06-20 |
| Movie | Crayon Shin-chan the Movie: Super Hot! The Spicy Kasukabe Dancers | Kabir (voice) | 2025-08-08 |
| Movie | Go! Anpanman: Roboly and the Warming Present | (voice) | 2023-06-30 |
| Movie | Ghost in the Shell: SAC_2045 The Last Human | Togusa (voice) | 2023-11-23 |
| Movie | DEEMO Memorial Keys | Valensky (voice) | 2022-02-25 |
| Movie | Shin Ultraman | Zōffy (voice) | 2022-05-13 |
| Movie | Gintama: The Very Final | Utsuro / Shouyou Yoshida (voice) | 2021-01-08 |
| Movie | Words Bubble Up Like Soda Pop | Mr. Fujiyama (voice) | 2021-07-22 |
| Movie | Eureka: Eureka Seven Hi-Evolution | Dewey Novak (voice) | 2021-11-26 |
| Movie | Jujutsu Kaisen 0 | Miguel (voice) | 2021-12-24 |
| Movie | Sing 2 | クラウス | 2021-12-01 |
| Movie | A Whisker Away | Mask Seller (voice) | 2020-06-18 |
| Movie | BEM: BECOME HUMAN | Manstoll (voice) | 2020-10-02 |
| Movie | Over the Sky | Gimon (voice) | 2020-11-27 |
| Movie | Pokémon the Movie: Secrets of the Jungle | Professor Zed (voice) | 2020-12-25 |
| Movie | Pokémon the Movie: Mewtwo Strikes Back - Evolution | Mew (voice) | 2019-07-12 |
| Movie | Anpanman: Twinkle! Princess Vanilla of Ice Cream Land | (voice) | 2019-06-28 |
| Movie | Dragon Quest: Your Story | Surarin (voice) | 2019-08-02 |
| Movie | Lupin the Third: Prison of the Past | Inspector Koichi Zenigata (voice) | 2019-11-29 |
| Movie | NiNoKuni | Balton (voice) | 2019-08-23 |
| Movie | Shinkansen Henkei Robo Shinkalion The Movie: The Marvelous Fast ALFA-X That Comes From the Future | Subaru Azuma (voice) | 2019-12-27 |
| Series | Lupin III: Part V | Koichi Zenigata | 2018-04-03 |
| Movie | Pokémon the Movie: The Power of Us | Mayor Oliver / Zeraora (voice) | 2018-07-13 |
| Movie | Batman Ninja | Batman / Bruce Wayne (voice) | 2018-03-24 |
| Movie | Okko's Inn | Bunta Kise (voice) | 2018-09-12 |
| Movie | Dragon Ball Super: Broly | Beerus (voice) | 2018-12-14 |
| Movie | Monster Strike the Movie: Sora no Kanata | (voice) | 2018-10-05 |
| Movie | The Dragon Dentist: Tengumushi | Godo | 2017-02-18 |
| Movie | Sword Art Online the Movie: Ordinal Scale | Akihiko Kayaba (voice) | 2017-02-18 |
| Movie | Gintama | Yoshida Shoyo (voice) | 2017-07-14 |
| Movie | Go! Anpanman: Bulbul's Big Treasure Hunt Adventure | Cheese, Kabao (voice) | 2017-07-01 |
| Movie | Pokémon the Movie: I Choose You! | Marshadow (voice) | 2017-07-15 |
| Movie | Code Geass: Akito the Exiled 5: To Beloved Ones | (voice) | 2016-02-06 |
| Movie | Kingsglaive: Final Fantasy XV | Drautos (voice) | 2016-07-09 |
| Movie | Lupin the Third: Italian Game | Inspector Koichi Zenigata (voice) | 2016-01-08 |
| Movie | Pokémon the Movie: Volcanion and the Mechanical Marvel | Jarvis (voice) | 2016-07-16 |
| Movie | Mobile Police Patlabor Reboot | (Voice) | 2016-10-15 |
| Movie | Dragon Ball Z: Resurrection 'F' | Beerus (voice) | 2015-04-18 |
| Movie | I can Friday by day! | 2015-05-04 | |
| Movie | Pokémon the Movie: Hoopa and the Clash of Ages | Released Hoopa (voice) | 2015-07-18 |
| Movie | Zyuden Sentai Kyoryuger vs. Go-Busters: The Great Dinosaur War | Tyrannosaurus (voice) | 2014-01-18 |
| Movie | Possessions | Man (voice) | 2014-01-31 |
| Movie | Nuigulumar Z | Charlie / De Palza | 2014-01-25 |
| Movie | Saint Seiya: Legend of Sanctuary | Saga (Voice) | 2014-06-21 |
| Movie | Pokémon the Movie: Diancie and the Cocoon of Destruction | Ninja Riot (voice) | 2014-07-19 |
| Movie | Space Battleship Yamato 2199: A Voyage to Remember | Desler | 2014-10-11 |
| Movie | Ghost in the Shell: Stand Alone Complex - Solid State Society 3D | Togusa | 2013-05-23 |
| Movie | Dragon Ball Z: Battle of Gods | Beerus (voice) | 2013-03-30 |
| Movie | Gintama: The Final Chapter - Be Forever Yorozuya | Time Thief (voice) | 2013-07-04 |
| Movie | Pokémon the Movie: Genesect and the Legend Awakened | Red Genesect (voice) | 2013-07-13 |
| Movie | Lupin the Third: Princess of the Breeze | Inspector Koichi Zenigata (voice) | 2013-11-15 |
| Movie | Lupin the Third vs. Detective Conan: The Movie | Koichi Zenigata (voice) | 2013-12-07 |
| Movie | A Letter to Momo | Kawa (voice) | 2012-04-21 |
| Movie | Magic Tree House | Papa | 2012-01-07 |
| Movie | Doraemon: Nobita and the Island of Miracles – Animal Adventure | Sharman (voice) | 2012-03-03 |
| Movie | Pokémon the Movie: Kyurem vs. the Sword of Justice | Cobalion (voice) | 2012-07-13 |
| Movie | After School Midnighters | Kunstlijk / Mozart (voice) | 2012-08-25 |
| Movie | Zorori the Naughty Hero: Super Adventure! | 2012-12-22 | |
| Movie | Pokémon the Movie: Black - Victini and Reshiram | Momont (voice) | 2011-07-16 |
| Movie | Karate Girl | Opening Narration (voice) | 2011-02-05 |
| Movie | Pokémon the Movie: White - Victini and Zekrom | Momont (voice) | 2011-07-16 |
| Movie | Pretty Cure All Stars DX3: Deliver the Future! The Rainbow-Colored Flower That Connects the World | Black Hole | 2011-03-19 |
| Movie | Appleseed XIII: Tartaros | Briareos Hecatonchires (voice) | 2011-06-13 |
| Movie | Friends: Naki on Monster Island | Gunjō (voice) | 2011-12-17 |
| Movie | Deadball | Baseball Announcer | 2011-07-23 |
| Movie | Lupin the Third: Blood Seal of the Eternal Mermaid | Inspector Koichi Zenigata (voice) | 2011-12-02 |
| Movie | The Voice Makes a Miracle | 2011-11-19 | |
| Movie | Appleseed XIII: Ouranos | Briareos Hecatonchires (voice) | 2011-10-24 |
| Movie | Gintama: The Movie | Yoshida Shouyou (voice) | 2010-04-24 |
| Movie | Anpanman: The Blacknose with Magical Song | Kamameshidon (voice) | 2010-07-10 |
| Movie | Pokémon: Zoroark - Master of Illusions | Goon (voice) | 2010-07-10 |
| Movie | Go! Anpanman: Dadandan and the Twin Stars | Kabao-kun (voice) | 2009-07-04 |
| Movie | Evangelion: 2.0 You Can (Not) Advance | Ryoji Kaji (voice) | 2009-06-26 |
| Movie | Pokémon: Arceus and the Jewel of Life | Gishin (voice) | 2009-07-18 |
| Movie | Yatterman | Yatterwoof / Yatterking / Odate-Buta / Narrator (voice) | 2009-02-06 |
| Movie | Space Battleship Yamato Resurrection | Susumu Kodai (voice) | 2009-12-12 |
| Movie | 20th Century Boys 3: Redemption | DJ Konchi | 2009-08-19 |
| Movie | Yona Yona Penguin | Archangel (voice) | 2009-12-23 |
| Movie | Professor Layton and the Eternal Diva | Pierre Starbuck (voice) | 2009-12-01 |
| Movie | Megumi | Shigeru Yokota (voice) | 2008-03-28 |
| Movie | Ghost in the Shell 2.0 | Togusa (voice) | 2008-07-12 |
| Movie | Pokémon: The Rise of Darkrai | Baron Albert (voice) | 2007-07-14 |
| Movie | Ghost in the Shell: Stand Alone Complex - Solid State Society | Togusa (voice) | 2007-09-01 |
| Movie | Fist of the North Star: Legend of Raoh - Chapter of Fierce Fighting | Narrator (voice) | 2007-04-28 |
| Movie | Sword of the Stranger | Luo-Lang (voice) | 2007-09-29 |
| Movie | Appleseed: Ex Machina | Brialeos Hecatombcales (voice) | 2007-10-19 |
| Movie | Tachigui: The Amazing Lives of the Fast Food Grifters | Narrator (voice) | 2006-04-08 |
| Movie | Suite Dreams | Dabudabu Duck (voice) | 2006-01-14 |
| Movie | Ghost in the Shell: S.A.C. 2nd GIG - Individual Eleven | Togusa (voice) | 2006-01-27 |
| Movie | Pokémon Ranger and the Temple of the Sea | Jackie (voice) | 2006-07-15 |
| Movie | Paprika | Morio Osanai (voice) | 2006-10-01 |
| Movie | Detective Conan: Strategy Above the Depths | Hironari Kusaka (voice) | 2005-04-09 |
| Movie | Stormy Night | Barry (voice) | 2005-12-10 |
| Movie | Ghost in the Shell: Stand Alone Complex - The Laughing Man | Togusa/The Laughing Man (voice) | 2005-09-23 |
| Movie | Ghost in the Shell 2: Innocence | Togusa (voice) | 2004-03-06 |
| Movie | Godzilla: Final Wars | Narrator (voice) | 2004-12-04 |
| Movie | Pokémon: Destiny Deoxys | Dr. Rondo (voice) | 2004-07-22 |
| Movie | Pokémon: Jirachi - Wish Maker | Butler (voice) | 2003-07-19 |
| Movie | Fighting Spirit: Champion Road | Kazuki Sanada (voice) | 2003-06-25 |
| Movie | Lupin the Third: Operation: Return the Treasure | Ivan Crockovich (voice) | 2003-08-01 |
| Movie | Tokyo Godfathers | Taxi Driver (voice) | 2003-12-05 |
| Movie | Pokémon Heroes | Rossi (voice) | 2002-07-13 |
| Movie | Millennium Actress | The Man of the Key (voice) | 2002-09-14 |
| Movie | Pokémon 4Ever | Hunter (voice) | 2001-07-07 |
| Movie | Vampire Hunter D: Bloodlust | Meier Link (voice) | 2001-04-21 |
| Movie | Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack | Television Producer | 2001-12-15 |
| Movie | Cowboy Bebop: The Movie | Spike Spiegel (voice) | 2001-09-01 |
| Movie | Sakura Wars: The Movie | Brent Furlong (voice) | 2001-12-22 |
| Movie | Pokémon 3: The Movie | David (voice) | 2000-07-08 |
| Movie | Pokémon the Movie 2000 | Lugia (voice) | 1999-07-17 |
| Movie | Go! Anpanman: When the Flower of Courage opens | Cheese (voice) | 1999-07-24 |
| Movie | Crayon Shin-chan: Dengeki! Buta no Hizume Daisakusen | Burrel (voice) | 1998-04-18 |
| Movie | Pokémon: The First Movie | Mew (voice) | 1998-07-18 |
| Movie | Martian Successor Nadesico: The Motion Picture - Prince of Darkness | Hokushin (voice) | 1998-08-08 |
| Movie | Lupin the Third: Tokyo Crisis | Michael Suzuki / Gondō (voice) | 1998-07-24 |
| Movie | Neon Genesis Evangelion: Death and Rebirth | Ryouji Kaji (voice) | 1997-03-15 |
| Movie | City Hunter Special: Goodbye My Sweetheart | Takeaki Muto (voice) | 1997-04-01 |
| Movie | Neon Genesis Evangelion: The End of Evangelion | Ryoji Kaji (voice) | 1997-07-19 |
| Movie | Go! Anpanman: The Flying Picture Book and the Glass Shoes | Cheese (voice) | 1996-07-13 |
| Series | Shamanic Princess | Kagetsu | 1996-06-07 |
| Movie | X: The Movie | Sorata Arisugawa | 1996-08-02 |
| Movie | Apocalypse Zero | Kakugo Hagakure (voice) | 1996-10-22 |
| Movie | Tokyo Revelation | Kuki Takehiko (voice) | 1995-04-21 |
| Movie | Elf Princess Ren | 1995-10-27 | |
| Movie | Ghost in the Shell | Togusa (voice) | 1995-11-18 |
| Movie | Compiler Festa | 1995-12-21 | |
| Movie | Compiler | Nachi Igarashi (voice) | 1994-03-05 |
| Movie | Wild 7: Biker Knights | Happyaku | 1994-12-17 |
| Movie | Darkside Blues | Enji (voice) | 1994-10-08 |
| Movie | Ninja Scroll | Jubei Kibagami (voice) | 1993-06-05 |
| Movie | Go! Anpanman: Nosshi the Dinosaur's Big Adventure | Kamameshidon | 1993-07-17 |
| Movie | Mermaid's Scar | Yūta | 1993-09-24 |
| Movie | Run, Melos! | Melos (voice) | 1992-07-25 |
| Movie | Ranma 1/2 the Movie 2: Nihao My Concubine | Ryoga Hibiki / P-Chan (voice) | 1992-08-02 |
| Movie | Talking Head | Shinichiro Otsuka (voice) | 1992-10-10 |
| Movie | Mermaid Forest | Yuta (voice) | 1991-08-16 |
| Movie | Ranma 1/2 the Movie: Big Trouble in Nekonron, China | Ryoga Hibiki (voice) | 1991-11-02 |
| Movie | Go! Anpanman: Baikinman's Counterattack | 1990-07-14 | |
| Movie | Sonic Soldier Borgman: Lover's Rain | 1990-12-27 | |
| Movie | Urotsukidōji: Legend of the Overfiend | Yuichi Niki (voice) | 1989-03-18 |
| Movie | Venus Wars | Jeff | 1989-03-11 |
| Movie | Kiki's Delivery Service | Bakery Worker / Policeman (voice) | 1989-07-29 |
| Movie | Assemble Insert | San Buka | 1989-12-21 |
| Movie | Mobile Suit Gundam: Char's Counterattack | Gyunei Guss (voice) | 1988-03-12 |
| Movie | Kimagure Orange Road: I Want to Return to That Day | Instructor (voice) | 1988-10-08 |
| Movie | Lupin the Third: The Fuma Conspiracy | Police Officer B (voice) | 1987-12-26 |
| Movie | Megazone 23 | Shinji Nakagawa (voice) | 1985-03-09 |
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