The '1955 Lynx Imperial' is actually a Moon Automotive 'Moonliner', which was built by Jocko Johnson and was originally powered by an Allison V-12 but later changed to a Big Block Chevy. It was only used for exhibition runs and car shows.
Walter Gotell and Kabir Bedi also appeared in Octopussy. Gotell as russian General Gogol and Bedi as Khamal Khans henchman Gobinda.
The script reveals that the embassy is Paraguayan.
The location of Carascas' embassy was previously the Helios estate in the first season episode CHARIOT OF GOLD, and would be used again as the home of the villainous Taneka in KNIGHT OF THE RISING SUN.
The first draft script features an elaborate action sequence at the hospital as Michael rounds up Lupo.