Olivia de Havilvad's costumes for the film were made by Christian Dior.
The Broadway production of the musical version of "The Light in the Piazza" opened at the Vivian Beaumont Theater in New York on April 18, 2005, ran for 504 performances and was nominated for the 2005 Tony Awards for the Best Musical and Book and won for Best Score.
In the film, the character played by Yvette Mimieux is supposed to be older than George Hamilton's character. In reality, he is three years older than her.