TMDb/Project Hail Mary Movie A desperate mission to save Earth. A lone astronaut with no memory. Ryan Gosling stars in the sci-fi epic Project Hail Mary, in theaters March 20. March 21, 2026 AceShowbiz - Project Hail Mary arrives as a 156-minute science fiction epic that explores humanity's survival in the vastness of space. Directed by Phil Lord and Christopher Miller and based on the popular Andy Weir novel, the film opens in theaters on Friday, March 20.