Spencer Treat Clark is an American actor who is known for working predominantly in Hollywood. Starting his acting career in 1995, with the television show Another World, he made his feature film debut in Arlington Road in 1999. His notable acting credits include Gladiator (2000), Unbreakable (2000), Mystic River (2003), Camp Hope (2010), and The Last Exorcism Part II (2013), among a plethora of others. His latest project includes M. Night Shyamalan's Glass (2019), which features James McAvoy, Bruce Willis and Samuel L. Jackson.