There are at least 11 bands/artists with the name Troy: Troy: Troy is a character portrayed by Zac Efron in the High School Musical series of movie-musicals. In the first film, his voice is provided by Drew Seely. In both sequels, Zac Efron's own voice is used for Troy. Troy (The Band): Troy is a Rock band from Springfield, MO that consists of Chris, Kane, Cord, and Johnny B. They've recently opened up for such bands as Breaking Benjamin, Three Days Grace Read more on Last.fm