Operation Mincemeat is a 2021 British war drama film directed by John Madden. It is based upon Ben Macintyre’s book on the British Operation Mincemeat during the Second World War. The film stars Colin Firth, Kelly Macdonald, Matthew Macfadyen, Penelope Wilton, Johnny Flynn, and Jason Isaacs. The film had its world premiere at the 2021 British Film Festival in Australia, and was released in the United Kingdom on 15 April 2022 by Warner Bros. Pictures. It was released on Netflix in North American and Latin American countries on 11 May 2022.