Maximillion Drake Thieriot (born October 14, 1988) is an American actor. He began his career with roles in many family films including Catch That Kid (2004) with Kristen Stewart, The Pacifier (2005) with Vin Diesel, and Nancy Drew (2007) with Emma Roberts. In 2009, he co-starred in the erotic thriller Chloe alongside Julianne Moore, Liam Neeson, and Amanda Seyfried. In 2012, he starred in the horror film House at the End of the Street, alongside Jennifer Lawrence.

From 2013 to 2017, Thieriot starred as Dylan Massett in A&E's horror drama series Bates Motel, a contemporary-set prequel to Alfred Hitchcock's Psycho. Afterwards, he was a regular in the first five seasons of the CBS drama SEAL Team. In 2022, he joined the main cast of the Netflix series Fire Country.