Based on Agatha Christie's "The Secret Adversary," a young couple looking for adventure become involved in the mystery of a missing woman and an espionage ring.
Pierre Lafitte
Lucienne Fereoni
Rita van den Meer
Jeanette Finné - seine Schwester
George Finné
Julius Vardier - Staatssekretär des Innern
Marglin - Chef des Geheimdienstes
Boris
Wittington
