- River City was based on Meredith Wilson's home town of Mason City, Iowa. The movie had its world premiere there.
- Shirley Jones was pregnant during filming.
- The Buffalo Bills were the 1950 International Champion Medalist Quartet of the S.P.E.B.S.Q.S.A., the Society for the Preservation and Encouragement of Barber Shop Quartet Singing in America.
- Frank Sinatra was Warner Brothers' first choice to play Harold Hill.
- Even though Robert Preston had created the role of Harold Hill on Broadway, he was considered as too old to play opposite S'hirley Jones' ' "Marian the Librarian" on the screen. It was only after numerous other actors had refused the role that he was allowed to reprise his performance.
Please support TCMDB by adding to this information.Click here to contribute