Many of the Olympic judges were, in real life, the coach drivers charged with taking the actors and actresses to and from their hotel.
The producers wanted Dame Elizabeth Taylor to reprise her role as Velvet Brown. Actresses Julie Andrews, Jean Simmons, Claire Bloom and Glenda Jackson were under consideration as replacements. The role ultimately went to Nanette Newman, wife of director Bryan Forbes.
Christopher Plummer plays a writer called "John Seaton" in this film. Director Bryan Forbes used an almost identical name ("John Seton") as a pseudonym when reviewing films and writing articles for the popular British fanzine "Picturegoer", some twenty-five years earlier. "John Seton" is said to be the author of a novel featured in the 1960 movie "The League Of Gentlemen", which Forbes scripted and acted in.