Doubt is a 2008 drama film based on the play of the same name by John Patrick Shanley. Viola Davis plays the role of Mrs. Miller, the mother of a young boy attending a Catholic school. The film revolves around a nun (played by Meryl Streep) who suspects a priest (played by Philip Seymour Hoffman) of inappropriate behavior. Davis's brief but impactful performance earned her an Academy Award nomination for Best Supporting Actress.