Le spie uccidono in silenzio

Agent Lemmy Logan is investigating the case of a missing NASA scientist and discovers that an ex nazi is developing a new super weapon.

An airplane crashes in Spain. The Russian as well as the Chinese government take care of the events because on board there was a "black box" containing precious and dangerous devices for the whole world.

An electronic ray that can counter any aerial attacks has just been invented by Professor Goodwin, but before he can put in good hands, he is kidnapped by a criminal organization, that starts an international bid for him and his invention among the rogue countries of the world. The CIA sends Agent Sigma 3 to find the Professor before the transaction takes place. His mission takes him from Rome to Tangiers, and to Barcelona.

A series of murders in Michigan lead an American secret agent to Amsterdam, where he uncovers a plot to imperil the world with a potent new drug.

An officially "dead" cop is trained to become an extraordinary unique assassin in service of the U.S. President.

A veteran US Secret Service agent must thwart the covert conspiracy of an enemy spy network that threatens the world's safety.

An Interpol agent is tasked with investigating the deaths of several other agents.

Franco and Ciccio are two simple-minded Italian guys whom are mistaken by KGB spies by government agents from their government and other foreign governments.

An international gang of gun dealers in the USA has stolen the prototype of a laser rifle from a German laboratory. The FBI agent Cormoran is being sent to recover the state-of-the-art and highly effective weapon. But there are some indications that he has defected to the enemy. Since agent 007 is currently on another mission, the chief of intelligence has to fall back on his second best man, the previous number 006. And so the German secret agent John Krim is given the assignment to get the rifle back, find evidence of Cormoran’s treachery and finally eliminate the colleague. Krim’s journey takes him across the ocean, and there he experiences incredible adventures in San Francisco, Los Angeles and Las Vegas. Two women get in his way, and Krim can’t be sure whether he can trust them or whether they too are working for the other side.

F.B.I. agents David Blair and Thelma Avery are assigned to search for Professor Weiss, who had mysteriously disappeared after discovering an antidote for atomic radiation.

A contemporary gang of international thieves has found the multi-billion counterfeit money stash that the Nazis produced. They need to dump it all across the world at once. A lower-level dame is spotted distributing some of it, and this sets American agent Bob Dixon (Stephen Forsyth) onto the trail.