* DawsonCasting: Even though Nellie Forbush is supposed to be young and naive, she was portrayed by women in their 30s for both Broadway productions (notable soprano Kelli O'Hara in the revival, and Broadway legend Mary Martin in the original). Also, ABC's 2001 TV movie has grown infamous for casting a 53-year old Glenn Close in the role.
* FakeNationality: Bloody Mary was played by black actress/blues singer Juanita Hall.
* HeyItsThatGuy: [[{{Ragtime}} Coalhouse Walker Jr.]] is a middle-aged French widower... wait, what?
** In the Lincoln Center production: [[Series/{{Glee}} Will Schuester]] is Lt. Cable.
* NonSingingVoice: Reports claim that among the movie's leads, only Mitzi Gaynor, who played Nellie, and Ray Walston, who played Luther Billis, did their own singing. Juanita Hall deserves special notice, as she originated the role of Bloody Mary on Broadway nine years earlier, but still needed dubbing by Muriel Smith.
* OldShame: Director Joshua Logan publicly apologized for the use of color filters. Incidentally, they were ''not'' supposed to be that heavy, and he was aghast when he saw the final print.
* WhatCouldHaveBeen: The producers had considered casting Doris Day as Nellie. Possible reasons for her rejection include her agent demanding too much money, or Day herself feeling too nervous to sing for Richard Rodgers.
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