Γκρίζος Εφιάλτης (1976)

Κυκλοφόρησε: May 21, 1976

Χρόνος εκτέλεσης: 91 λεπτά

Είδος: Τρόμου, Περιπέτεια, Θρίλερ

Αστέρια: Christopher George, Andrew Prine, Richard Jaeckel, Joan McCall, Joe Dorsey, Charles Kissinger

Crew: Phil Cory (Special Effects), William Girdler (Director), David Sheldon (Screenplay), David Sheldon (Producer), Harvey Flaxman (Screenplay), Harvey Flaxman (Producer)