Gregory Paul Austin (born 2 August 1992) is an English actor, best known for his roles as Travis Leich in Amazon Prime's Hunters and Charlie Smith in the BBC's Doctor Who spin-off Class.

[3] Before becoming an actor, he started off as a dancer, studying modern, ballet, tap and street dance, which got him into musical theatre.

In 2016 Austin was cast in the BBC Three Doctor Who spin-off Class as Charlie Smith, an alien[6] who falls in love with his classmate Matteusz.

[6] In 2017, he starred in a popular Wrigley's chewing gum commercial and appeared in series 5 of ITV's Endeavour as Rufus Barton.

In 2020, he played a lead role in Hunters, airing on Amazon Prime, as Travis Leich, a fanatical young Nazi enforcer.