Connections

Footage of the Houses of Parliament

Footage of the Houses of Parliament

Footage of the Houses of Parliament

In addition to the very similar plots, two cast members from the earlier film, John Williams and Anthony Dawson, appear in nearly identical roles.

There is a scene in the film where Doris Day's character and Rex Harrison's character are standing in a hotel room and the light from the sign is casting shadows on them. This is exactly the same as it is in Vertio but insted of a green light it is blue in this film.