Alien Terror

1971 1h 30m ES

💀

3.6

SKIP

★3.6TMDB · 26

HorrorScience Fiction

Synopsis

Spoiler shield

Near the end of the 19th century, Prof. John Mayer and his assistant, the scientist Dr. Isabel Reed, accidentally invent a powerful ray. An alien travels to Earth to destroy the machine since it would be a threat to the universe. He initially possesses the mind of Thomas, a sex maniac and serial killer, to get close to Mayer during the demonstration of the machine to scientists and the military. Mayer's niece, Laura, meets an acquaintance of her uncle, the chemist Dr. Paul Rosten, and Mayer invites him to join the research. When Thomas gets close to Mayer, the alien also possesses his mind in order to destroy the device and his notes. Meanwhile, Thomas is not able to control his murderous impulses and attacks several women with a straight razor.

“Some stories are better left unspoiled.”

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Where to watch · US

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Cast

Boris Karloff
Prof. John Mayer
Enrique Guzmán
Dr. Paul Rosten
Christa Linder
Laura
Maura Monti
Dr. Isabel Reed
Yerye Beirute
Thomas
Tere Valez
Nancy
Griselda Mejía
Prostitute
Sergio Kleiner
Alien

Credits

Behind the camera

Director: Jack Hill
Writers: Juan Ibáñez, Luis Enrique Vergara, Karl Schanzer
Languages: English, Spanish
Countries: Mexico, United States of America

Want more? Switch to Cinephile mode in the header for DP, composer, budget, box office, production companies, keywords, and release history.

Did you know?

Fun facts 🍿

1 / 8

RUNTIME

Did you know

90 minutes exactly — the "classic feature" runtime most directors aim for.

MoodPlayr · trivia#01

2 / 8

ERA

Did you know

55 years old — a genuine piece of film history.

MoodPlayr · trivia#02

3 / 8

WORLD

Did you know

Dialogue crosses 2 languages: English, Spanish.

MoodPlayr · trivia#03

4 / 8

WORLD

Did you know

International production across 2 countries: Mexico, United States of America.

MoodPlayr · trivia#04

5 / 8

DIRECTOR

Did you know

Directed by Jack Hill, shot by Raúl Domínguez. Note their partnership — DPs and directors often return to each other across a career.

MoodPlayr · trivia#05

6 / 8

DIRECTOR

Did you know

Original score by Enrico C. Cabiati. Worth a dedicated listen after — most great films lose half their impact without the score.

MoodPlayr · trivia#06

7 / 8

DIRECTOR

Did you know

Editor Raúl J. Casso shaped the rhythm. On an edit-heavy film, the editor does more to control your pulse than the director.

MoodPlayr · trivia#07

8 / 8

CAST

Did you know

Boris Karloff and Enrique Guzmán and Christa Linder carry the top of the cast.

MoodPlayr · trivia#08

Cinephile deep dive

The take

Jack Hill directs. Raúl Domínguez behind the camera. Enrico C. Cabiati scores. Raúl J. Casso cuts. Runs lean at under 100 minutes. Produced in Mexico, United States of America. Dialogue in English, Spanish.

Trivia

Things worth knowing

190 minutes exactly — the "classic feature" runtime most directors aim for.
255 years old — a genuine piece of film history.
3Dialogue crosses 2 languages: English, Spanish.
4International production across 2 countries: Mexico, United States of America.
5Directed by Jack Hill, shot by Raúl Domínguez. Note their partnership — DPs and directors often return to each other across a career.
6Original score by Enrico C. Cabiati. Worth a dedicated listen after — most great films lose half their impact without the score.
7Editor Raúl J. Casso shaped the rhythm. On an edit-heavy film, the editor does more to control your pulse than the director.
8Boris Karloff and Enrique Guzmán and Christa Linder carry the top of the cast.
9IMDB entry: tt0063132 — still the authoritative cross-reference for credits and trivia.
10Only 26 TMDB ratings — you're getting ahead of the curve on this one.