Uploaded July 2026 | Updated September 2026, 3 weeks ago

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An alien scientist and his team are sent to earth from their dying planet to exterminate the human population by unleashing monsters like vampires, werewolves, and mummies in order to inherit the earth.

Original title: Los monstruos del terror

Directors: Tulio Demicheli, Hugo Fregonese, Antonio Isasi-Isasmendi
Writer: Paul Naschy

🎬 CAST
Michael Rennie — Dr. Odo Warnoff
Karin Dor — Maleva Kerstein
Craig Hill — Inspector Henry Toberman
Patty Shepard — Ilsa Sternberg (as Patty Sheppard)
Ángel del Pozo — Dr. Kerian Werner (as Angel Del Pozo)
Paul Naschy — Waldemar Daninsky (as Paul Naschi)
Gela Geisler — Ilona (as Ella Gessler)
Manuel de Blas — Count Janos de Mialhoff (as Manuel De Blas)
Peter Damon — Judge Sternberg
Diana Sorel — Library Receptionist
Ferdinando Murolo — El monstruo de Farancksalan / Frankenstein Monster
Luciano Tacconi — Carnival Exhibit Owner
Gene Reyes — Tao-Tet - The Mummy
Paul Cross — Dr. Don Uno
Robert Hall — Commissioner Gluck (uncredited)
Walter Kraus — Sekretär (uncredited)
Fajda Nicol — (uncredited)
Maria Perschy — Maleva Kerstein (rehearsed only) (uncredited)

Genres: Horror, Sci-Fi

International Titles / Also Known As (AKA)

🎬 🇪🇸 — Los monstruos del terror

🇨🇦 🇺🇸 — Assignment Terror
🇨🇦 🇺🇸 — Dracula vs. Frankenstein
🇨🇦 🇫🇷 — Dracula contre Frankenstein
🇮🇪 🇬🇧 — Dracula Versus Frankenstein
🇩🇪 — Dracula jagt Frankenstein
🇧🇷 — Os Monstros do Terror
🇩🇰 — Frankenstein og blodsugerne
🇫🇷 — Reincarnator
🇬🇷 — I symmoria tou Drakoula
🇬🇷 — Η συμμορία του Δράκουλα
🇮🇹 — Operazione terrore
🇯🇵 — Monster Panic: Strange Tactics
🇯🇵 — Monsutâ Panikku / Kaiki sakusen
🇲🇽 — Operación terror
🇳🇴 — Dracula jager Frankenstein
🇵🇱 — Frankenstein i inni
☭ — Ужасные монстры
🇪🇸 — El hombre que vino de Ummo
🇸🇪 — Varulven jagar Frankenstein
🌍 — Operation Terror
🌍 — The Man Who Came from Ummo