Tommy Rall, Jacques d'Amboise and James Mitchell were all considered for the role of Prince Charles. Michael Wilding, despite having no professional dance training, was cast due to the rash of publicity surrounding his marriage to fellow MGM contract player Elizabeth Taylor.
In Leslie Caron: The Reluctant Star (2016), Caron says she saw Ella as a rebel and was influenced by Marlon Brando in On the Waterfront (1954). She also designed her own cropped hairstyle, to the displeasure of MGM bosses.
The narrator is Walter Pigeon. 10 years later he would play the king in Rodgers and Hammerstein's TV production of "Cinderella" starring Leslie Ann Warren.
Elsa Lanchester and Estelle Winwood would later appear together in 1976's "Murder by Death,"