Planet of the Vampires (1965)

Planet of the Vampires (1965), directed by Mario Bava.

That should be "zombies" rather than "vampires", but American International picked the English title.

When responding to a distress beacon, two spacecraft make forced landings on an unknown planet. The crews become psychotically murderous until punched around a bit. They discover a derelict alien spacecraft with large calcified Space Jockey remains. The worst thing? Dead crew members won't stay dead, and come back changed.

Let's get the bad out of the way first:

I recommend it for:

Ridley Scott and Dan O'Bannon say they never saw this film, so I can't explain the apparent influences. Take this and It! The Terror from Beyond Space (1958) and you have a big box of Alien (1979) construction parts. Carlo Rambaldi worked on special effects for both films.

It has other good features as well:

Available on Blu-ray from Kino. No subtitles. Commentary track by a Bava scholar with a wealth of technical detail. He says Bava had a passion for SF, although most of his films were horror.