Acting Holden William Hagelberger No biography available. ↗ Share Known For‹Trevor: The Musical · 2022Trevor: The Musical★ 4.82022MovieDramaMusicFollows a 13-year-old boy on a turbulent journey of self-discovery. After an embarrassing incident at school, Trevor must summon the courage to forge his own path.▶+› FilmographySortPopularNewestTop ratedTrevor: The Musical · 2022Trevor: The Musical★ 4.82022MovieDramaMusicFollows a 13-year-old boy on a turbulent journey of self-discovery. After an embarrassing incident at school, Trevor must summon the courage to forge his own path.▶+Trevor