The Deal(2007) -

as Lionel, Charlie’s earnest screenwriter nephew.

This film is a satirical look at the "smoke and mirrors" world of Hollywood film production. While it premiered at the Sundance Film Festival in early 2008, it is often associated with 2007 due to its production and initial festival circuit. The Deal(2007)

If you are looking for a darker, more serious film, there is also a 2007 action-thriller directed by Bryan Goeres. The Deal (2007) - IMDb as Lionel, Charlie’s earnest screenwriter nephew