Primordium is a 2016 American science-fiction horror film written and directed by Matt Reeves and starring Tom Cruise, Brie Larson, Oscar Isaac, Alice Braga, Omar Sy, Sharlto Copley, Claudia Kim and Christoph Waltz. It follows the lives of a research team on the Primordium space station, that when shelters an experiment chimpanzee running from attackers, have their crew killed one by one, with a creature that is both a parasite and a mimic.