Agent 3S3: Massacre in the Sun

Agent 3S3: Massacre in the Sun (originally titled Agente 3S3, massacro al sole, also known as Agent 3S3: Hunter from the Unknown and Hunter from the Unknown) is a 1966 Italian adventure-eurospy film directed by Sergio Sollima, here credited as Simon Sterling. This is a sequel to Agent 3S3: Passport to Hell (1965) with Agent 3S3 once again played by George Ardisson. Orietta Berti, a popular Italian singer, sings in English the film's theme "Trouble galore". The two films were shot back to back.

This was filmed on locations in Berlin and Ibiza. It was coproduced by France, where it was released as Agent 3S3, massacre au soleil, and Spain, where is known as 3S3, agente especial and Agente 3S3 enviado especial.

Cast

 * George Ardisson 	as	 Walter Ross, Agent 3S3
 * Frank Wolff 	as	Ivan Tereczkov
 * Evi Marandi 	as	 Melissa
 * Michel Lemoine 	as		Radek
 * Fernando Sancho 	as		General Siqueiros
 * Luz Márquez 	as	Miss Barrientos
 * Eduardo Fajardo 	as	Professor Karlesten
 * Leontine May 	as	Josefa
 * John Karlsen 	as	Tereczkov's Boss
 * Kitty Swan 	as	Night-club Singer (as Kersten Svanhold)
 * Salvatore Borghese
 * María Granada