Grant Gustin is an American actor and singer, best known for his role as Barry Allen in the television series The Flash. He was born on January 14, 1990, in Norfolk, Virginia, and began his career in musical theater before transitioning to television. Gustin gained recognition for his performance in the series Glee, where he played Sebastian Smythe. In addition to his work on The Flash, Gustin has appeared in various other television shows and films. He has received several awards for his performances, including Teen Choice Awards. Gustin is also known for his philanthropic efforts, supporting various charities and causes.