Christopher Marquette (born October 3, 1984), also credited as Christopher Rodriguez-Marquette, is an American actor. He began his career with a main role as Adam Brody on the ABC sitcom Aliens in the Family (1996) before his breakout with a main role as Marc Delgado on the Lifetime medical drama series Strong Medicine (2000–2005).

Following his breakout on Strong Medicine, Marquette had a main role as Mason McAllister on the Fox soap opera Pasadena (2001) and voiced lead character Alex O'Connell on the WB animated series The Mummy (2001–2003). He gained further mainstream attention with a main role as Adam Rove on the CBS series Joan of Arcadia (2003–2005) and starring roles in the films Freddy vs. Jason (2003), The Girl Next Door (2004), Just Friends (2005), Alpha Dog (2006), and The Invisible (2007).

In the late 2000s, Marquette starred in the films Life During Wartime (2009), Race to Witch Mountain (2009), and Fanboys (2009). In the 2010s and 2020s, he starred in the films The Double (2011) and Always Watching: A Marble Hornets Story (2015) and had a main role as Octie on the Gala Film web series RZR (2024). In 2025, he was cast in the fourth season of Reacher.

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