Bookmark 12 Years A Slave: Joe Walker, ACE This interview features Joe Walker, the editor of the Academy Award Best Picture winner 12 Years a Slave (2013). 12 Years a Slave features actor Chiwetel Ejiofor, who plays a free black man in New York who is abducted and sold into slavery. Walker talks about the pressures he felt while editing a story that hasn't been told very often. He also discusses working with the director Steve McQueen for the third time and how he approached this movie from the eyes of a free man. Listen in to hear more about the editing process behind 12 Years a Slave.