Mystic River is a 2003 American drama film directed by Clint Eastwood, based on the novel of the same name by Dennis Lehane. The film follows the lives of three childhood friends from a working-class neighborhood in Boston whose lives are forever changed after a tragedy reunites them.
The font likely used for the movie title is Franklin Gothic Roman, created by Morris Fuller Benton in 1902 for American Type Founders. This commercial font can be purchased here.