Amy Madigan is an American actress, producer, and singer who has been active in the entertainment industry since the 1970s. She is best known for her roles in films such as Field of Dreams, Uncle Buck, and Gone Baby Gone. She has also appeared in television series such as ER, Law & Order: Special Victims Unit, and Grey's Anatomy. Madigan has won numerous awards, including an Academy Award nomination for Best Supporting Actress for her role in the 1985 film Twice in a Lifetime.