Features two Bond Girls, Dame Diana Rigg and Fiona Fullerton, as well as Edward Fox, who played "M" in the unofficial James Bond movie, Bond No. 1 (1983).
It was intended to be the first in a series of Barbara Cartland adaptations by producer Albert Fennell for CBS. He had optioned the novels 10 years earlier and tried unsuccessfully to get finance. His option lapsed and producer Ed Friendly made The Flame Is Love (1979) for NBC, which Cartland did not enjoy ("it was frightfully badly cast"). She was involved in A Hazard of Hearts (1987) from the beginning."
The novel was published in 1949. "This was my first costume book," Barbara Cartland said, "so I put in everything --- highwaymen, jewels, the kitchen stove."
Shares several cast members with the subsequent Barbara Cartland screen adaptation A Ghost in Monte Carlo (1990): Edward Fox, Fiona Fullerton, Marcus Gilbert, Gareth Hunt, and Christopher Plummer.