American actor and singer Grant Gustin, born Thomas Grant Gustin, gained his popularity through his portrayals of Sebastian Smythe on the Fox series Glee (2011-2013) and Barry Allen/Flash on the CW series The Flash (2014-present). In addition, he made his appearances in films like A Mother's Nightmare (2012) and Affluenza (2014).
After graduating from Granby High School in 2008, he spent two years participating in the BFA Music Theatre Program at Elon University in North Carolina. He then made his appearance as Baby John in the Broadway Revival Tour of West Side Story on September 30, 2010.
He dated actress Hannah Douglass since 2011.