Downsizing is an upcoming American science fiction comedy-drama film written and directed by Alexander Payne and co-written by Jim Taylor . The film stars Matt Damon, Kristen Wiig, Christoph Waltz , Alec Baldwin, Neil Patrick Harris , and Jason Sudeikis . Principal photography on the film began on April 1, 2016 in Ontario, Canada. Paramount Pictures will release the film on December 22, 2017.