Children Shouldn’t Play With Dead Things (1972)

aka’s: Revenge Of The Living Dead/
Things From The Dead/Things From The Grave/Zreaks

Six friends go to a remote island and dig up a corpse named Orville (Seth Sklarey). They use it in a satanic ritual to make the dead rise from their graves–with disastrous results! Stars Alan Ormsby, Valerie Mamches and Jeffrey Gillen.

From a totally uncut import print.