85 mins | Action, Science Fiction, Horror | Feb. 1, 1970
85 mins | Action, Science Fiction, Horror | Feb. 1, 1970
| IMDb rating | 3.1 |
| Producers | Independent International Pictures (I-I), Tal Productions |
| Original title | Horror of the Blood Monsters |
| Directors | Al Adamson |
| Writers | Sue McNair |
as Dr. Rynning
as Dr. Manning
as Valerie
as Willy
as Lian Malian
as Cmdr. Steve Bryce
as Bob Scott
as Linda
as Earthly Vampire (uncredited)
as Man in Warehouse (uncredited)
as Vampire Caveman (uncredited)
as Opening Narrator (voice) (uncredited)
as Earthly Vampire (uncredited)
as Boy with Mother (uncredited)
as Girl with Purse (uncredited)
as Earthly Vampire (uncredited)
as Earthly Vampire (uncredited)