Yū Hayashi is a seiyū born in April 2, 1983 in Kanagawa prefecture. He formerly worked for Gekidan Himawari before moving to Kenproduction Co., Ltd. He is the official Japanese dub actor for Jason Scott Dolley and Shia LaBeouf and has formed the musical group SCREEN mode with music producer Masatomo Ōta, which performed the ending theme for Gingitsune.
- Bombeman in Tiger & Bunny
- Hibiki Takashina in Danshi Kōkōsei, Hajimete no
- Hōmei Iwano in Bungo to Alchemist
- Kaito Shindō in Yumeiro Cast
- Kōji Tōno in Cheer Boys!!
- Michizō Tachihara in Bungo Stray Dogs
- Japanese dub voice for roles by Jason Dolley:
- Ryūnosuke Tanaka in Haikyuu!!
- Santanian in Star★Twinkle Pretty Cure
- Smokey Brown in JoJo's Bizarre Adventure: Battle Tendency
- Steven in the Japanese dub of Steven Universe
- Toshihiko Maekawa in Big Windup!
- Vio in 100 Sleeping Princes and the Kingdom of Dreams
- Wataru Mochizuki in Rainbow Days
- Yohei Kanbayashi in Paradox Live
- Yuta Kirishima in Ultra Maniac