Space Men aka Assignment Outer Space (1960)

Italian in origin, Space Men aka Assignment Outer Space follows the adventures of Interplanetary News reporter Ray Peterson aboard a space station in the 21st century.

Despite problems with the base commander, and only being a simple journo, he's eventually responsible for stopping a space ship which threatens to destroy the Earth.

 

As a final note of no great importance, I noticed that if you compare the space man in the top right hand corner of the movie poster up top he seems to be a composite of these three chaps here

 

Steve