Ruggero Salvadori

A scuba diving instructor, her biochemist boyfriend, and her police chief ex-husband try to link a series of bizarre deaths to a mutant strain of piranha fish whose lair is a sunken freighter ship off a Caribbean island resort.

A detective gets involved with the beautiful daughter of an old friend. The daughter turns out to be a jewel thief, who in turn gets the detective involved in a caper in Austria.

A horror movie star returns to his famous role after spending years in a mental institution, but the character seems to be committing murders independent of his will.

Several people disappear from and at the sea. Their bodies are found gnawed to the skeleton, even the marrow is missing. The scientists have no idea which animal could do such things. Dr. Turner begins to suspect that the company which builds a tunnel beneath the bay might have poisoned the environment and caused an octopus to mutate to giant dimensions...

E.C.H.O., a secret organization with a strange name masterminds a bizarre plot to take over the world by dosing important `nerve centers' with super potent LSD. The only man who can stop them is Rex, a secret agent working for an undisclosed organization.

A former counterrevolutionary pirate befriends a mentally ill young woman and this in turn leads to tragedy when she falls in love with a French naval officer.

A retired actor's search for his stray pet strings together this episodic portrait of the ancient Roman quarter.

After learning that an old friend of theirs has been arrested in Morocco on drug charges, four former college buddies set out for Marrakech to bail him out.