The performances are decent but the characterizations are OneNote in this typical crime drama that Warner Brothers could have made with gusto 20 years ago. It actually was a remake, a little B independent film that Claudette Colbert starred under the title of "I Cover the Waterfront".
That's the last post 1950 Edward L Cahn - or L Can't - films I missed in my collection. I now have them all, shot after 1950.
Secret Of Deep Harbor finds Barry Kelley doing quite well in Southern California while his colleagues are barely getting by. There's a good reason for that, he's got a nice sideline smuggling gangsters across the Mexican border.