Shirley MacLaine, the producers' original choice for the title role, later played a character based on Debbie Reynolds in Postcards from the Edge.
Film debut of Harve Presnell.
MGM's original choice for the role of Molly Brown was Shirley MacLaine.
The original Broadway production of "The Unsinkable Molly Brown" opened at Winter Garden Theater on November 3, 1960 and ran for 532 performances. Harve Presnell recreated his stage role in the movie version.
This is Debbie Reynolds's personal favorite of her movies.