- Released in June 1983 (Italy)
- Running time: 98 minutes (Italy) | 89 minutes (USA)
- Production Co.: A.M.A. Film | RAI Radiotelevisione Italiana
- Distribution Co.: Gaumont Italia (1983) (Italy) (theatrical) | Motion Picture Marketing (MPM) (1984) (USA) (theatrical) (dubbed)
- Directed by Pupi Avati
- Written by Pupi Avati, Maurizio Costanzo, Antonio Avati
- Starring: Gabriele Lavia, Anne Canovas, Paola Tanziani, John Stacy
- Stefano, a young journalist, buys a used typewriter and accidentally sees that some text is still readable on the ribbon. He manages to reconstruct the story of a scientist, Paolo Zeder, who in the 1950's discovered that some types of terrain have the power to revive the dead that are buried in them. Stefano's investigations bring him in contact with a group of renegade scientists that are still making experiments to prove Zeder's theories.
- One man's search for an ancient secret...and the dead will rise from their graves!
- They rise at night.
Also known as
- Zeder: Voices from Darkness
- Zeder: Voices from the Beyond
- Zeder: voci dal buio
- Zeder - Denn Tote kehren wieder