He was born in the same place as Samuel Vincent. The two are often cast together as friends, most famously as the two protagonists of the Gundam SEED franchise; Kira Yamato (Hill) and Athrun Zala (Vincent) & in Ed, Edd n Eddy, with Ed (Hill) & Edd (Vincent). He has one of the most youthful and recognized voices in the voice acting community, often cast in teenage roles because of this. His live action role was his portrayal of Raphael in Teenage Mutant Ninja Turtles III. In Ninja Turtles: The Next Mutation, he voiced Raphael. He also played the deputy in the live-action movie Shanghai Knights.
Hill also participated in the Run for One Planet from May 2008 to May 2009.
His Texas counterpart is Greg Ayres.
In 2013, he established a presence in California to get more voice acting work. Otherwise, he is doing work in Vancouver.
Notable roles by Matt Hill:
- Beyblade Burst: Rantaro Kiyama
- Captain N: The Game Master: Kevin Keene (Captain N)
- Cardcaptors: Keroberos
- D'Myna Leagues: Ebbet Myna
- Dragon Booster: Artha Penn
- Ed, Edd n Eddy: Ed
- Inuyasha: Bankotsu
- Martin Mystery: Marvin
- Mobile Suit Gundam SEED and Mobile Suit Gundam Seed Destiny: Kira Yamato
- Monster Buster Club: Danny Jackson
- My Little Pony: Friendship Is Magic: Soarin'
- Pac-Man and the Ghostly Adventures: Skeebo
- Ranma ½: Pantyhose Taro
- Ronin Warriors: Ryo Sanada
- Storm Hawks: Finn
- Super Duper Sumos: Booma
- Supernoobs: Tyler Bowman
- Ironhide in Transformers: Energon
- The Adventures of Corduroy: Corduroy
- Being Ian: Korey Kelley
- Care Bears: Adventures in Care-a-Lot: Tenderheart Bear
- Street Sharks: Clint/Jab