Convicts on a chain gang sniff formaldehyde fumes to get high. They attempt a prison break and are shot down by the guards. After being buried, they rise from the dead, killing all in their path with shovels and hoes.
Released: Sep 13, 1972
Runtime: 58 minutes
Genre: Horror, Science Fiction
Stars: Marland Proctor, Susan Charney, John Dennis, Philip Kenneally, Duncan McLeod, Virgil Frye
Crew: Jaime Mendoza-Nava (Original Music Composer), Paul Hipp (Director of Photography), Earl Marshall (Art Direction), Joe Blasco (Special Effects Makeup Artist), Henning Schellerup (Sound Recordist), Richard O. Helmer (Special Effects)