Brit Marling tells tale of two worlds: Writing, acting in 'Another Earth' - Article Photos 1/4

Actress Brit Marling, from the US, left, and filmmaker Mike Cahill, also from the US, pose during a photocall prior to the presentation of the movie "Another Earth", during the 64th Locarno International Film Festival, Friday, Aug. 5, 2011, in Locarno, Switzerland. (AP Photo/Keystone, Jean-Christophe Bott) EDITORIAL USE ONLY - GERMANY OUT - AUSTRIA OUT ORG XMIT: LOC108