All Good Things is a 2010 American mystery/crime romantic drama film directed by Andrew Jarecki and written by Marcus Hinchey and Marc Smerling. Inspired by the life of Robert Durst, it stars Ryan Gosling, Kirsten Dunst, and Frank Langella. Gosling portrays the wealthy son of a New York real estate tycoon (Langella) who develops a disturbing relationship with his wife (Dunst) and becomes suspected of a series of murders, as well as his wife's unsolved disappearance.

Marc Smerling is an American film producer, screenwriter, cinematographer, and director. He was nominated for an Oscar for Capturing the Friedmans in 2003, and co-wrote and produced The Jinx, a six-part HBO documentary on suspected murderer Robert Durst. He directed the FX docuseries A Wilderness of Error based on the book of the same name.