Get your 'when does he die?' jokes out now...“He’ll suffocate! He’ll experience explosive decompression! He’ll be roasted by a stray rocket booster! He’s playing the planet Mars and it blows up at the end!” Yes, we can almost hear the litany of How Will Sean Bean Die jokes being drawn up as we write it, but here’s the news anyway – he’s joined the cast of Ridley Scott’s The Martian.Matt Damon is starring in the film as NASA astronaut Mark Watney, left stranded on Mars after his crewmates on the Ares 3 mission are forced to evacuate by a dust storm.To stave off death on the Red Planet, Watney tries to rustle up water and grow crops.