Big Fat Liar is a 2002 American teen comedy film directed by Shawn Levy, and written by Dan Schneider from a story by Schneider and Brian Robbins. It stars Frankie Muniz, Paul Giamatti and Amanda Bynes, with a supporting cast featuring Amanda Detmer, Donald Faison, Lee Majors and Russell Hornsby.

Shawn Adam Levy is a Canadian film director, film producer, screenwriter, actor, and founder of 21 Laps Entertainment. He has worked across genres and is perhaps best known as the director of the Night at the Museum film franchise and primary producer of the Netflix series Stranger Things.