Dai Matsumoto is a Japanese actor, voice actor, and narrator from Tokyo, born on June 1, 1959. He is affiliated with the Tokyo Actor's Consumer's Cooperative Society (Haikyō) and is known for his distinctive low baritone voice. He began his professional career in 1984 and joined Haikyō in 1991. His anime debut is often cited as a role in Mobile Fighter G Gundam in 1994.

Matsumoto has built an extensive career with a wide range of voice roles across anime, video games, and tokusatsu. He has voiced characters such as Raguel Foster in The Maiden Diaries and Maiden of Deliverance, Beethoven in After School Midnighters, Coredom in Bakugan Battle Brawlers: Gundalian Invaders, and the Junk shop guy in Freedom. He is also well-known for portraying Dokugakuji in Saiyuki, Fugaku Uchiha in Naruto, Unato Ema Saran in Mobile Suit Gundam SEED Destiny, and Jinpachi Munashi in Naruto Shippuden.

Beyond anime, his filmography includes numerous roles in tokusatsu productions, such as providing voices for various characters in the Super Sentai, Kamen Rider, and Ultraman series. He is also an active narrator for television programs and commercials, and has dubbed voices for foreign films and TV shows for the Japanese market.

In addition to his performance work, Matsumoto is dedicated to teaching the next generation of voice actors. He serves as a lecturer at voice acting schools such as AbtoPro and Inspion Agency and regularly holds workshops in Tokyo. He trained at the Shakespeare Theatre Training Institute, which contributed to his foundational acting skills.