Baghead is a 2008 comedy horror film written and directed by Jay and Mark Duplass. The film stars Ross Partridge, Elise Muller, Greta Gerwig, and Steve Zissis. The film had its world premiere at the Sundance Film Festival on January 22, 2008. The film was given a limited release by Sony Pictures Classics on July 13, 2008.

Greta Celeste Gerwig is an American actress, writer, and director. Initially known for working on mumblecore films, she has since expanded from acting in and co-writing independent films to directing major studio films. Gerwig was included in the annual Time 100 list of the most influential people in the world in 2018.