Agent 3S3: Hunter from the Unknown
1966 ‧ Thriller/Action ‧ 1h 46m
Release date: May 20, 1966 (Italy)
Director: Sergio Sollima
Screenplay: Sergio Sollima, Giovanni Simonelli, and Jesús María de Arozamena
Story by: Sergio Sollima
Prequel: Agent 3S3: Passport to Hell