Best Alien movies of 1960s

Actors : Gaetano Quartararo, Rosemary Dexter, Mara Carisi, Renato Salvatori,
Directors : Ugo Gregoretti,

An alien takes over the body of an Earthman in order to learn about the planet so his race can take it over.

Actors : André Smagghe, Marcel Bozzuffi, Henri Piégay, Bernard Fresson,
Directors : Yves Ciampi,

The crew of an aircraft carrier discovers that it is being pursued by a UFO that turns out to be a radioactive probe from outer space. They appeal to the warring countries of Earth to stop fighting and help it to repel the invaders.

Actors : Debbie Slater, Jane Bates, Carol Rachell, Diane Keen,
Directors : Fred Marshall,

An alien decides to visit Earth in order to check out the current pop culture.

Actors : Óscar Ortiz de Pinedo, Antonio Espino, Andrés Soler, Ana Luisa Peluffo,
Directors : Rogelio A. González,

A couple travels by accident to the Moon and have to deal with aliens lurking for the earth's destruction.