A husband-and-wife detective team look into the murder of one of her friends, whose father--a prominent scientist--has been kidnapped. They find themselves up against a sinister crime organization headed by a mysterious figure known only as "Z".
Paul Temple
Steve Temple
Sir Graham Forbes
Mrs. Weston
Mrs. Morgan
Jacqueline Giraud
Professor Hardwick
Oliver Ffollett
Van Draper
Major Murray
Bill Bryant
Dr. Steiner
Hammond
Inspector Crane
Rikki
Ernie
Mr. Weston
Celia Hardwick
Post Office Engineer
An Interested Visitor
Doctor
Nurse
1st Gangster
2nd Gangster
