The original play, "Jean," opened in Vienna, Austria, on 23 December 1936. An English adaptation called "The Lady Has a Heart" by Edward Roberts, opened on Broadway in New York City, New York, USA on 26 September 1937 and closed in December 1937 after 91 performances. The opening cast included Elissa Landi as Countess Katrina, Vincent Price as Jean (name changed to Johann in the movie), and Lumsden Hare as Count Albert.
The end credits proudly says "This picture has presented the popular young French actress Annabella in her first American picture". However, she starred in Caravane (1934), the French language version of Caravan (1934), also made in Hollywood by Fox.