The undead townspeople of Messiah of Evil

Victims bleed from the eyes, stop feeling pain and eat any meat, including human flesh1

They gather at bonfires on the beach to wait for the dark stranger1

Once changed they are sent out to spread the condition across California1

Shot in 1971 and released in 1974; the makers disagreed about whether filming was ever finished1

One of its release titles, Return of the Living Dead, caused a legal dispute1