<P> On June 9 , Depp 's 51st birthday , he was filming scenes on location in Quincy , where actress Dakota Johnson was in Back Bay , playing Whitey Bulger 's longtime former girlfriend , Lindsey Cyr . On June 11 , shooting was underway in Lynn , where the crew was filming scenes in which Bulger and Stephen Flemmi pick up a prostitute named Deborah Hussey ( played by Juno Temple ) from the police station . Temple was seen on the set . On June 16 , Depp and Plemons were spotted on the set of the film in South Boston . </P>
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