Professor Johansson has made a huge scientific breakthrough; a device that will create a huge magnetic pulse that knocks out all electricity over a continent-wide area. The military applications are already being thought of when Dr. Johansson is kidnapped by a group of profit-seeking mercenaries. Meanwhile, his daughter, Karin, finds herself having to consort with all manner of shady characters as she searches for her father.
Martha Hyer
as Karin Johanson
Micheline Presle
as Madame Latour
Carlos Thompson
as Peter Lundström
Wolfgang Preiss
as Dr. Henrik Brandes
Carl Lange
as Berakov
Hans Nielsen
as Colonel Dagget
Gino Cervi
as Professor Johanson
Lino Ventura
as Biamonte
Charles Regnier
as Norvald
Bruno W. Pantel
as Polizeipräfekt
Leon Askin
as Fernando
Sabu
as Lin-Chor
