Acclaimed actor and screenwriter talks about why he wasnt sure he was ready to take on a role of an astronaut stranded on Mars. Tune into World News Tonight .br Wednesday, February 24, 2016 - Matt Damon arrives in Los Angeles chatting up photographers and donning a Guinness beanie. Damon is nominated for Best .br Acclaimed actor and screenwriter talks about why he wasnt sure he was ready to take on a role of an astronaut stranded on Mars. Wednesday, February 24 .br Wednesday, February 24, 2016 - Matt Damon arrives at LAX sporting a black sweatshirt and Guinness beanie. Damon is asked if he thinks Sylvester Stallone .