Sir John Mills and Robert Morley were the only actors who appeared in Around the World in 80 Days (1956) and this adaptation.
Detective Wilbur Fix:
Vive la France!
Jean Passepartout: Up the English!
In episode 1, as the main characters are approaching Firenze aboard the Purple Cloud, and in a general view of the city from the air, a modern van can be seen next to a church.