The company that co-produced is called Kerry, after Gene Kelly's daughter.
Danny wears the very latest Converse high top sneakers, which were wildly popular on both sides of the Atlantic. They continue to be fashion and sport statements in 2022.
This movie was originally titled "The Happy Journey".
American Westerns were all the rage at the time of this film's release. So were science fiction offerings. Plot elements from these films can cleverly be glimpsed in the activities of the local children here.
The acronym SNCF is glimpsed on the train behind the couple. It stands for Société Nationale des Chemins de Fer Français, the national rail company of France, founded in 1938. Its trains still carry passengers and freight in 2022.