Louis Gabriel Basso III is an American actor. Beginning his career as a child actor, Basso had roles in films such as Super 8 (2011), The Kings of Summer (2013), Barely Lethal (2015), The Whole Truth (2016), Hillbilly Elegy (2020), and A House of Dynamite (2025). He is best known for his lead roles as Adam Jamison on the Showtime comedy drama series The Big C (2010–13) and FBI Agent Peter Sutherland on the Netflix action thriller series The Night Agent (2023–present).