Gone Baby Gone is a 2007 American crime thriller film directed by Ben Affleck, in his feature-length directorial debut. Affleck co-wrote the screenplay with Aaron Stockard based on the 1998 novel Gone, Baby, Gone by Dennis Lehane. The film stars Casey Affleck and Michelle Monaghan as two private investigators hunting for a young girl abducted from her single mother’s apartment in the Boston neighborhood of Dorchester. The supporting cast includes Morgan Freeman, Ed Harris, and Amy Ryan. It was the final film to be released by The Ladd Company before its closure.