TMDb/Project Hail Mary Movie Ryan Gosling stars in a cosmic race to save Earth. Stranded with amnesia, he befriends an alien named Rocky. Will their bond survive the mission's end? March 26, 2026 AceShowbiz - Project Hail Mary, starring Ryan Gosling, launched in theaters on March 20. Adapted from Andy Weir's novel, the film follows middle school science teacher Dr. Ryland Grace on a mission to save Earth from an impending cosmic disaster.At the film's outset, viewers encounter Dr. Grace with no memory of his identity or purpose, stranded in a distant galaxy aboard a spaceship.