Listen to the sound clip On who? from Mystic River (2003) Soundboard: On who? On who? This sound is from Mystic River (2003) Soundboard Mystic River is a captivating and intense film that was released in 2003. Directed by Clint Eastwood and based on the novel by Dennis Lehane, this crime drama takes viewers on a gritty journey through the lives of three childho… Go to the full soundboardwith more sound clips Search