The film had its US premiere on October 10, 2014, at the New York Film Festival and its UK premiere on October 17, 2014, at the BFI London Film Festival. The film features Snowden and Glenn Greenwald, and was co-produced by Poitras, Mathilde Bonnefoy, and Dirk Wilutzky, with Steven Soderbergh and others serving as executive producers. Citizenfour received critical acclaim upon release, and was the recipient of numerous accolades, including the Academy Award for Best Documentary Feature at the 2015 Oscars.