Flag Day is a 2021 American drama film directed by and starring Sean Penn. His daughter Dylan Penn co-stars. It premiered in competition at the 2021 Cannes Film Festival. It was released on August 20, 2021, by United Artists Releasing. The film has received mixed reviews from critics. Premise The daughter of a con artist struggles to come to terms with her father's past, involving the fourth-largest seizure of counterfeit bills in U.S. history, nearly $20 million. The film is based on Jennifer Vogel's 2004 memoir, Flim-Flam Man : A True Family History. Cast Dylan Penn as Jennifer Vogel Jadyn Rylee as teenage Jennifer Addison Tymec as younger Jennifer Sean Penn as John Vogel Katheryn Winnick as Patty Vogel Josh Brolin as Uncle Beck Hopper Penn as Nick Vogel Beckam Crawford as Nick as a younger child Regina King as U.S. Marshall Blake Norbert Leo Butz as Doc Dale Dickey as Grandma Margaret Eddie Marsan as Mr. Emmanuelle Bailey Noble as Debbie Production On March 2012, Penn expressed interest in joining the cast of a Flim-Flam Man film adaptation directed by Alejandro González Iñárritu. It was announced in March 2019 that a casting call for the film had been issued, with filming for the project due to commence in Winnipeg, Canada. Filming began in June with the cast including Penn and his children Dylan Penn and Hopper Penn. Josh Brolin, Miles Teller and Katheryn Winnick were also among the cast announced. In July 2019, James Russo was confirmed as part of the cast. On August 1, 2019, scenes were filmed at the Fort Garry campus of the University of Manitoba. Filming took place at Piedras Blancas in San Luis Obispo County, California. The film was produced by William Horberg, Jon Kilik and Fernando Sulichin. In an interview with Deadline Hollywood at the 2021 Cannes Film Festival, Penn said that he initially thought that it would be something he might act in, but after trouble identifying the right director he took on the offer as it was a movie that he would have liked to see get made. It is the first film directed by Penn in which he also appears. Release The film had its world premiere at the Cannes Film Festival in July 2021. Prior to the festival, Metro-Goldwyn-Mayer acquired U.S. distribution rights to the film, with plans to release it later that year through their joint venture, United