SERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsMaxSIGN INSIGN UP FORSIGN INSIGN UP FORSERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsMaxSIGN INSIGN UP FORSIGN INSIGN UP FORmax-style Boardwalk Empire About Season Season 1Season 2Season 3Season 4Season 5Commodore Louis Kaestner Played by Dabney Coleman Nucky’s mentor, the Commodore controlled Atlantic City before passing the mantle, but the cost of succession took its toll on the deposed king, leaving him more bitter than proud.