The films sets were designed by the art director Boris Bilinsky.

It was one of three Miranda films directed by Guarini that helped re-establish her in Italian cinema following her return from a largely unsuccessful spell in Hollywood.

[2] This is considered the first production on which Federico Fellini worked, uncredited, as a screenwriter.

[3] In Yugoslavia, Sandra Morini, a young woman of Italian Dalmatian background is drawn into the world of espionage by Paolo a spy in Yugoslav intelligence but in reality a double agent working for Italy.

She is to steal a secret document from the Russian commissar Petrov that reveals that Yugoslavia's public pro-Axis stance conceals a secret alliance with Stalin's Soviet Union.