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According to the film's copyright registration, alternate titles of the film are Things from the Grave, Revenge of the Living Dead and Zreaks. During the credits, the characters "Roy" and "Emerson" are seen, costumed as decaying corpses, frightening and then abducting the "Caretaker" of the cemetery. The character Orville's name is misspelled as Oruille in the onscreen credits. Near the end, when the ghouls enter the bedroom to devour "Alan," they are shown in slow motion.
Although the Box Office review listed the release date of the film as May 1972, no public showings of the film have been verified prior to its Los Angeles opening on February 28, 1973, and the only other review was in Los Angeles Times on March 2, 1973. The onscreen credits and reviews list Brandywine and Motionarts as the production companies, and Geneni Film Distributing Co. as the distributor. However, SAR information lists Midnight Owl, Inc. as production company and Europix International, Ltd. as the releasing company. According to a January 1973 Box Office news item, Europix International acquired the film's worldwide distribution rights from Midnight Owl. The film was not registered for copyright until May 29, 1998, by Midnight Owl, Inc. as the claimant, under the registration number PA-889-432.
Director-screenwriter Robert Clark (1939-2007), who was credited onscreen as Benjamin Clark, made a career of B-movie horror films, but received the most acclaim for directing the 1983 classic A Christmas Story. Although Children Shouldn't Play with Dead Things was Clark's second film as director, the film marked his debut as producer. The onscreen crew credit of Alan Ormsby, who also portrayed "Alan" in the film, reads: "Special make-up created by & screenplay collaboration." The film marked the first of Ormsby and Clark's several film collaborations. Onscreen credits include an acknowledgment to the Dade County Dept of Parks, City of Miami.