Dexter Haven is a fictional character from the 1956 film High Society, which is a musical remake of the 1940 film The Philadelphia Story. In the movie, he is portrayed by actor Bing Crosby and is depicted as a charming and wealthy socialite who is also an ex-husband of the main character, Tracy Lord. In the story, Dexter returns to win back Tracy's affection just as she is about to marry another man. His character embodies themes of love, reconciliation, and the complexities of relationships, making him a central figure in the film's romantic plot.