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.
Marland Proctor
as Paul Johnson
Susan Charney
as Carol Johnson
John Dennis
as Jablonski
Philip Kenneally
as Warden
Duncan McLeod
as Dr. Saunders
Virgil Frye
as Braddock
Tony Vorno
as Mitchell
Phil Hoover
as Donovan
Erik Stern
as Coler
Carmen Filpi
as Nolan
Lee Frost
as McGee
John Dullaghan
as Sgt. Burns
