Underclassman is a 2005 American action comedy film directed by Marcos Siega and starring Nick Cannon, Shawn Ashmore, Roselyn Sánchez, Kelly Hu, Hugh Bonneville, and Cheech Marin. It was released on September 2, 2005, had been originally set for a release in 2004. The film was a critical and box office disaster, receiving only a 6% rating on Rotten Tomatoes and grossing $5.6 million on a production budget of $25,000,000.

Marcos Siega is a film, television, commercial and music video director. He has also worked as a producer, a musician and an artist.