An engineer has discovered a new special alloy for the construction of submarines and is about to launch it on the world market. To force him to give up the formula, his opponents kidnap his son.
Frederick Stafford
as Valdesio
Dagmar Lassander
as Paola Valdesio
Enzo Maiorca
as Enzo
Alberto Farnese
as Company Vice President
Stelio Candelli
as Joe
Chris Avram
as Dr. Murray
Massimo Corsetti
as Massimo Valdesio
Mariana Camara
as Miss Price
