Thomas Grant Gustin (born January 14, 1990) is an American actor and singer. He is known for his role as Barry Allen / The Flash on the CW series The Flash as part of the Arrowverse television franchise, and for his role as Sebastian Smythe on the Fox series Glee.
Thomas Grant Gustin was born in Norfolk, Virginia. He is the son of Tina Haney, a pediatric nurse, and Thomas Gustin, a college professor. During his high school years, he attended the Governor's School for the Arts program in Norfolk for musical theater. He also went to Hurrah Players Incorporated which is a theater organization in Virginia. In 2008, he graduated from Granby High School and went on to attend the BFA Music Theater Program at Elon University in North Carolina for two years. He has been a friend of actor Chris Wood since college.
Gustin left school to take the role of Baby John in the Broadway Revival Tour of West Side Story, and performed with the tour from its opening on September 30, 2010, through September 23, 2011.