Thomas Grant Gustin (born January 14, 1990 in Norfolk, Virginia) is an American actor and singer. He's primarily known for playing Barry Allen / The Flash across The CW's Arrowverse, first appearing on Arrow and ultimately spinning off into his own headlining series. Prior to The Flash, he held a recurring role on Glee as Sebastian Smythe.
Not to be confused with John Mulaney, with whom he shares a resemblance.
- A Haunting (2006) as Thomas
- West Side Story (2010 — 2011) as Baby John
- Glee (2011 — 2013) as Sebastian Smythe
- CSI: Miami (2012) as Scott Ferris / Trent Burton
- 90210 (2013) as Campbell Price
- Arrowverse (2013 — present) as Barry Allen / The Flash: