Terrified of being buried alive, a woman installs a phone in her crypt. A few days after her death, the phone suddenly rings and paranormal investigator Nelson Orion is brought in to probe the case.
You can now watch The Ghost of Sierra de Cobre online on the following streaming providers in the United States.
| Directing | Joseph Stefano | Director |
| Writing | Joseph Stefano | Screenplay |
| Production | Joseph Stefano | Producer |
| Sound | Dominic Frontiere | Music |
| Editing | Anthony DiMarco | Editor |
| Art | McClure Capps | Art Direction |
| Art | Frank Tuttle | Set Decoration |
| Costume & Make-Up | Donfeld | Costume Design |
| Costume & Make-Up | Fred B. Phillips | Makeup Artist |
| Production | Claude Binyon Jr. | Production Manager |
| Directing | Gregg Peters | Assistant Director |
| Art | Dick Henrikson | Property Master |
| Sound | Jay Ashworth | Sound Mixer |
| Camera | Howard Bradner | Key Grip |
| Camera | William A. Fraker | Camera Operator |
| Sound | John Caper Jr. | Music Editor |
| Sound | Dominic Frontiere | Conductor |
| Sound | John Elizalde | Music Supervisor |
| Directing | Hope McLachlin | Script Supervisor |
| Crew | Dave Lesser | Transportation Coordinator |
| Camera | Conrad L. Hall | Director of Photography |
| Lighting | Bill Shaw | Electrician |
| Sound | Jack Cornall | Sound Editor |
| Production | Barbara Yenter | Production Secretary |