First garnering recognition as a child actor with his portrayal Hector "Zero" Zeroni in the film Holes (2003), he has since appeared in films including Walking Tall, Roll Bounce, Remember the Daze, and Hurricane Season, and on television shows including ER, The Bernie Mac Show, House, Sons of Anarchy, Bones, Being Mary Jane, Major Crimes, and Shameless.

As a rapper, he has released two EPs and toured alongside Bow Wow, Snoop Dogg, Ice Cube, Sean Kingston and Chris Brown.

[6] To adapt to the desert climate for filming Holes, Thomas was required to participate in physical conditioning training.

"[6] Thomas sang on one of the movie soundtrack's songs, "Dig It", which originated on the six-hour round-trip bus rides that transported the actors to the set.

He plays games, hosts Disney trivia contests, cosplays as the character Powerline from A Goofy Movie, and interacts with followers.