When you find yourself trying to remember a show (or any works) that's on the tip of your tongue but just out of reach, come here - the collective brain of the TVTropes community can probably help. Post all the details you can remember (examples help). If you're looking for a trope, head over to Trope Finder. Have general questions about tropes? Visit Ask The Tropers!
It may take some searching, but it might be here: https://en.wikipedia.org/wiki/List_of_science_fiction_films_of_the_1960s
A few stand out as possibilities:
https://en.wikipedia.org/wiki/The_Creation_of_the_Humanoids
https://en.wikipedia.org/wiki/The_Human_Duplicators
Thank you Erica B. I have tried that angle and it really wore me out. I should say the film in question involved space travel (as I remember). Not either of these, as I know Creation of the Humanoids, and would have certainly remembered Richard Kiel.
Update 1/17/17: It seems the movie I've been thinking of is Mario Bava's "Planet Of The Vampires" (1965) - although it's all not as I remember. It was an alien-posessed reanimated corpse, there were no blinking robot innards (only rotting flesh and bone), and it wasn't animated, only a rubber chest piece. I seem to have conflated the rotting chest with some wiring in an equipment panel in another part of the movie. Somehow, the image of hamburger falling off electronics is still in my mind -whether I made it up or it's in some other film I can't remember will now bug the hell out of me.
Edited by ChasFink
I'm bumping this to see if anyone can place the "rotting flesh falling off electronics" sequence, now that I know it's not in this movie.
When I was a kid I saw a science fiction horror movie on TV. It was almost certainly of European - perhaps Italian - origin, dating from around the early 1960's. One of the characters was a cyborg or a flesh-covered robot or somesuch. In one scene he's feeling rather ill. There's a close-up of his midsection as he pulls the front of his costume open, and the flesh falls off the blinking mechanical innards like so much rotten hamburger meat. (I believe it was a crude but effective stop-motion sequence.)
I want to say the title was something like War of the Satellites or Battle of the Planets or something similar, but there are several movies with that title formula.
If anyone can definitively identify the movie, I'd be forever grateful.