Jobert's Gallic charm radiates through her voice, eyes and mannerisms. Kirk Douglas seems to look disheartened at his role. He appears flat and strained at times. He does have his moments. Douglas tells a very funny joke to Fabièn (Jobert) about Russian researchers determining the age of a mummy.
A few scenes seem stolen from Jobert's Rider On the Rain (of particular note hiding in the closet and being discovered, peering through a shop window). Jobert's comedic talent comes easily and properly dovetails into the serious aspects of the plot. Sir Trevor's scene stealing butler is absolutely hilarious and rivals Tom Courteny's role as the bungling spy. While the plot may seem a tad contrived, it comes across quite well, if one takes the time to relax and be entertained. The ending does leave you with the feeling that there should have been a sequel. Like "Rider On the Rain", her on-screen husband comes across unappreciative of having a loyal and dedicated beauty such as Jobert for a wife. Also reflecting the cold war times , you have lies, counter-lies and disinformation battering the truth.
Overall, you may find yourself watching this movie a few times for the sheer fun of it!