山寺宏一，日本男性声优、演员。他的戏路十分宽广，声音变化余地也很大，既能应付夸张的喜剧表演，又能适应平淡的剧情，张弛都很自如。被称为“七色の声を持つ男”（拥有七色声线的男人），曾有一人饰演17个不同角色的经历，吹替作品近千部，几乎囊括了欧美一线男演员作品。主要动画代表作品和角色包括：《新世纪福音战士》中的加持良治、《COWBOY BEPOP》SPIKE、《乱马1/2》响良牙，《人鱼之伤》涌太，《天空战记修罗特》龙王龙马。2009年在第三届声优奖上，获得了富山敬奖。

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)