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.
Carlo Aldini
Eve Gray
Hilda Bayley
Elfriede Borodin
Eberhard Leithoff
Shayle Gardner
Hans Mierendorff
John Mylong
Valy Arnheim
Mikhail Rasumny