An early press junket for The Martian will be held in LA next week after a cast screening, and an interview with Matt on The Today Show will air on Monday. The premiere for the new Project Greenlight film was held in LA. Those attending include Bobby and Peter Farrelly, Matt, Ben, cast and crew. Photos at Zimbio , the Daily Mail and PopSugar . HBO has released a new promo for Project Greenlight: HBO @HBO Aug 12 From Executive Producers Matt Damon and @BenAffleck, #ProjectGreenlight premieres 9/13 at 10PM. @adaptivestudios More photos of Matt and Lucy in LA: Daily Mail , more Daily Mail and PopSugar . Pedro Pascal posted a hand-written note by Great Wall director Zhang Yimou on Instagram .