Yū Hayashi is a seiyū and singer born on April 2, 1983 in Kanagawa Prefecture. He was under Gekidan Himawari as a child actor before moving to Ken Production. He is the official Japanese dub actor for Jason Scott Dolley and Shia LaBeouf. Outside of his dubbing roles, he is well-known for the being the voice of Ryuunosuke Tanaka in Haikyuu!!.
He formed the musical group SCREEN mode in 2013 with music producer Masatomo Ōta, performing the opening and ending themes for anime tokussatsu shows such as Gingitsune, Bungo Stray Dogs, Kuroko's Basketball, Food Wars!, Ultraman Decker and many more.
- Abraham Dawson in Banana Fish
- Ayahito Sundan in Big Order
- Barry in the Japanese dub of Sausage Party
- Billy Kid in Zenless Zone Zero
- Bombeman in Tiger & Bunny
- Boo Boo Bear in the Japanese dubs of Yogi Bear and Jellystone!
- Hibiki Takashina in Danshi Kōkōsei, Hajimete no
- Hōmei Iwano in Bungo to Alchemist
- Issei Hoshino in Judgment
- Official dub voice for roles by Jason Dolley:
- Kaito Shindō in Yumeiro Cast
- Kōji Tōno in Cheer Boys!!
- Michizō Tachihara in Bungo Stray Dogs
- Mikey in Tokyo Revengers
- 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
- Takuma Ino in Jujutsu Kaisen
- Theo in The Lord of the Rings: The Rings of Power
- 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