Koichi Yamadera

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. His most notable characters are Spike Spiegel from Cowboy Bebop (1998) and the subsequent follow up film Cowboy Bebop: The Movie (2001), Beerus from the longstanding Dragonball franchise, and the modern day voice of Inspector Zenigata of the longstanding Lupin the Third franchise after the retirement of the previous voice actor Gorō Naya and first appearing in the role in Lupin the Third: Blood Seal of the Eternal Mermaid (2011)

Koichi Yamadera is known for work in acting across film and television. New Release currently presents 30 verified screen credits connected to this profile.

Selected work includes Dragon Ball Super: Beerus (2026), Chimney Town: Frozen in Time (2026), Be Forever Yamato Rebel 3199 - Part 5: White Heat Galactic War (2026), Crayon Shin-chan the Movie: Super Hot! The Spicy Kasukabe Dancers (2025), LUPIN THE IIIRD: The Movie - The Immortal Bloodline (2025), LUPIN THE IIIRD: Zenigata and the Two Lupins (2025), Lazarus (2025), Your Forma (2025).

The recorded credits span 2018 to 2026, including 23 movies and 7 TV shows. The filmography below lists available titles, release years and known roles.

This profile is updated as additional verified information becomes available.