At 35 years old, Max Thieriot has this physical status:
Thieriot was signed to talent manager Don Gibble after taking his improvisation class. He modeled for Gap and appeared in two short films, before being cast in his first feature film role, 2004's adventure film Catch That Kid, alongside Kristen Stewart and Corbin Bleu. He was subsequently cast in 2005's action comedy film The Pacifier, portraying one of the family members protected by a Navy SEAL (Vin Diesel). He was nominated for the Young Artist Award for Best Performance in a Feature Film – Supporting Young Actor for his role. Thieriot then appeared in the drama The Astronaut Farmer (2007) and the film adaptation of Nancy Drew (2007).
In 2008, he played a younger version of Hayden Christensen's character in Jumper (co-starring for the second time with Kristen Stewart). That same year, he appeared in Kit Kittredge: An American Girl, for which he won the Young Artist Award Best Performance in a Feature Film – Young Ensemble Cast with his co-stars. In 2009, Thieriot co-starred in the erotic thriller Chloe. Chloe enjoyed commercial success and became director Atom Egoyan's biggest ever box office earner. The following year, he played the lead role in Wes Craven's horror film My Soul to Take, replacing Dennis Hopper's son Henry Lee Hopper in the cast.
In 2011, he starred in the independent comedy The Family Tree, alongside Dermot Mulroney and Britt Robertson, and played the lead role in the drama film Foreverland, opposite Sarah Wayne Callies. Thieriot then co-starred with Jennifer Lawrence in the Mark Tonderai-directed psychological horror-thriller House at the End of the Street (2012). That same year, he starred in the drama film Disconnect. Also in 2012, Thieriot was cast in a leading role in Roland Emmerich's drama pilot for ABC, Dark Horse, but the project was not picked up to series. From 2013 until its ending in 2017, he portrayed Dylan Massett, the half-brother of Norman Bates, in the critically acclaimed drama series Bates Motel, alongside Vera Farmiga and Freddie Highmore. He made his directorial debut on the series with the fifth season episode "Hidden".
In 2015, he starred in the History Channel event miniseries Texas Rising as John "Jack" Hays, a captain of the Texas Rangers, and appeared in the remake of the action-thriller film Point Break. In 2017, Thieriot began starring as Navy SEAL Clay Spenser in the CBS drama series SEAL Team, opposite David Boreanaz and Jessica Paré. In 2022, Thieriot is set to portray Bode Donovan in the CBS drama series Fire Country; he also serves as a producer for the series.