The film was made during the German occupation of Rome, with support from the Vatican.
This and another film The Ten Commandments allowed a number of actors, under pressure to go north and work in Venice for the film industry of Mussolini's puppet Italian Social Republic, to remain in Rome.
Vittorio de Sica hired approximately 300 extras, who were Jewish or simply being persecuted by the Nazi regime, because of their physical oddity.
To avoid their deportation and later execution, he prolonged the shooting of the film as long as he could, awaiting the arrival of the allied armies.
[3][4] This is the story of a train full of sick and deformed pilgrims on their way to seek miracles at the shrine of Our Lady of Loreto, near the city of Ancona in eastern Italy.