Morgan Freeman is set to join the cast of Gone, Baby, Gone for Miramax Films.

The film marks the feature directorial debut of Ben Affleck, who also wrote the screenplay; it's based on the fourth novel in Dennis Lehane's Kenzie and Gennaro detective series. According to The Hollywood Reporter, Freeman will play a police captain in the Boston-set crime drama that revolves around two private eyes who investigate a missing child in a working-class neighborhood.

Michelle Monaghan, Casey Affleck and Ed Harris are already part of the film, which is currently shooting in Boston; Gone, Baby, Gone has a late 2006 release.