A 1965 Italian adventure-Eurospy film directed by Sergio Sollima (credited as Simon Sterling). This is the first chapter in the Sollima's spy film trilogy with Agent 3S3. Here the intelligence agent from the U.S. is tasked with uncovering the leader of the Black Scorpion.

George Ardisson
as Walter Ross, Agent 3S3

Bruna Simionato
as Jasmine von Witheim

Georges Rivière
as Professor Steve Dickson

Seyna Seyn
as Jacky Vein

Franco Andrei
as Paul Bellamy

Liliane Fernani
as Karina

José Marco
as Ahmed

Calisto Calisti
as Salkoff

Francisco Sanz
as Nobel

Henri Cogan
as Sanz