First DEAN Trailer Watch the first DEAN trailer! The film, written and directed by Demetri Martin, stars Martin, Kevin Kline, Kate Berlant, Gillian Jacobs, and Mary Steenburgen. DEAN will be released in theaters on April 16. A comedy about loss, grief and the redemptive power of love, Dean is an NY illustrator who falls hard for an LA woman while trying to prevent his father from selling the family home in the wake of his mother’s death.