Grant Gustin Height, Age and Quick Facts

Grant Gustin’s height is commonly reported as about 5 feet 9 inches, or roughly 175 cm. The actor, who played Barry Allen on The Flash, was born on 14 January 1990, so he is 36 in 2026.
Quick facts
| Detail | Information |
|---|---|
| Height (reported) | About 5 ft 9 in (175 cm) |
| Birth date | 14 January 1990 |
| Age (2026) | 36 |
| Birthplace | Norfolk, Virginia, USA |
| Known for | The Flash (2014-2023), Glee |
| Background | Musical theatre and dance |
Early career
Gustin studied musical theatre at Elon University in North Carolina before moving into television. His training in singing and dancing led to early stage work and to a recurring part on Glee, where he played Sebastian Smythe, a smooth-talking rival of the main characters.
Becoming Barry Allen
He was first introduced as Barry Allen in an episode of Arrow before getting his own series. The Flash premiered on The CW in 2014 and ran for nine seasons, becoming a pillar of the network’s superhero lineup. Playing a speedster, Gustin took on a great deal of physical work and mixed it with comedy and heart, which fans often point to when they describe why the show lasted so long.
How his height fits the role
Barry Allen is written as an everyman scientist rather than a towering hero, and Gustin’s lean build fits that idea. Costume design and camera angles on superhero shows vary, so on-screen presence does not always match real height.
Beyond The Flash
After the show ended he moved into other projects and stage appearances. He has also kept a career in musical performance, and he has lent his voice to animation work. He married actress and artist LA Thoma, and the couple are open about their relationship on social media.
Comparing reported heights
Actor heights are rarely measured under neutral conditions. Studio bios, interviews and fan sites often differ by an inch, so treat any figure as approximate.
Acting style and fan response
Gustin’s version of Barry Allen was warm and a little awkward, which many viewers found more relatable than the stern heroes of other franchises. The show leaned into optimism, and he sold that mood in each season, even as the plots grew more complicated with time travel and multiple Earths.
Physical demands
Running, stunt work and wire rigs are part of any superhero schedule. Gustin has talked about long days on set and about how his dance background helped with movement. Training as a dancer teaches body control, which carries over to action work.
Crossovers and legacy
The Flash appeared in multiple shared-universe crossover events with other CW heroes, bringing him together with a wide ensemble. The show’s long run means a generation of viewers grew up with his version of the character.
Timeline
- 1990: born in Norfolk, Virginia.
- Early 2010s: guest roles including Glee.
- 2014: The Flash premieres.
- 2023: the series finale airs.
Off-screen interests
Gustin has kept a connection with music and theatre. He has performed in concerts and shared singing clips with fans, and he has spoken about enjoying a quieter life away from the red carpet. Interviews describe him as easygoing and funny, which fits the likeable persona he played on screen.
Awards and nominations
The Flash earned the cast several fan-voted awards and genre nominations during its run, and Gustin himself has been recognised in popular-choice categories for his work as the lead.
Why fans ask about his height
Superhero actors are often assumed to be very tall, so viewers are curious when a lead looks different in interviews than on screen. Gustin’s height is a good example of how camera framing, costume and co-stars can change how someone looks. In group photos with castmates he is not the tallest, but he rarely looks out of place, and fans have said that this ordinary, approachable quality is part of the character’s charm.
Frequently asked questions
How tall is Grant Gustin?
He is reported at about 5 ft 9 in (175 cm).
How old is Grant Gustin?
He was born on 14 January 1990 and is 36 in 2026.
What role made him famous?
Playing Barry Allen, also known as The Flash.
Was he on Glee?
Yes, he played Sebastian Smythe in several episodes.
Related: Candice Patton, Tom Cavanagh, Stephen Amell
Disclaimer: Height and age figures are widely reported approximations as of 2026.
Related reading
More from Actors & Actresses on NRI Realty News.
Photo: Grant Gustin at MEGACON Orlando 2025.png by Fandomuniverse, licensed under CC0, via Wikimedia Commons.


