Greyhound is a 2020 American war film directed by Aaron Schneider and starring Tom Hanks, who also wrote the screenplay. Set during the Battle of the Atlantic, the film is based on the 1955 novel The Good Shepherd by C. S. Forester. The film also stars Stephen Graham, Rob Morgan, and Elisabeth Shue, and follows a US Navy commander on his first assignment commanding a multi-national escort destroyer group of four. They defend an Allied convoy of thirty-seven ships from German U-boats in early 1942, shortly after the United States enters World War II. Greyhound was initially scheduled for theatrical release in the United States on June 12, 2020, by Sony Pictures Releasing. The release was delayed indefinitely and then canceled because of widespread disruption and shutdowns from the COVID-19 pandemic. Sony sold the distribution rights to ()