A movie from the 60's I believe. I think 2 or 3 guys are summoned to a castle on an island. On the boat to it the cranky captain tries to drop them overboard to the bottom of the sea. The castle has an evil woman, a weird robot Android with half it's fade damaged, a chamber that fills with acid vapor that turns bodied into skeletons and makes skeletons disappear. The robot with the messed up fade is stopped with a big laser on a table.
That's all I remember, a few fragments.
Good luck with this one...
Possibly CASTLE OF EVIL .
https://www.imdb.com/title/tt0060219/ (https://www.imdb.com/title/tt0060219/)
Damn, RCM! I should have known.... :lookingup: