The King of Marvin Gardens(1972)- Production Details

David Staebler, the host of a late-night talk-show on a Philadelphia radio station, often regales listeners with anecdotes about his older brother Jason, a con man whom he refers to as "the King of Marvin Gardens." One day, after a separation of many years, David becomes reinvolved with Jason who informs him that he's on the verge of realizing their childhood dream of owning a tropical island.