Alien Terror Poster

Alien Terror 1971

★ 3.425 votes90 min📅 1971-04-01

Directed by José Luis González de León, *Alien Terror (1971)* plunges viewers into a chilling 19th-century setting where scientific ambition collides with otherworldly horror. Professor John Mayer and his brilliant assistant, Dr.

Director: José Luis González de León

Cast

Boris Karloff
Boris Karloff
Prof. John Mayer
Enrique Guzmán
Enrique Guzmán
Dr. Paul Rosten
Christa Linder
Christa Linder
Laura
Maura Monti
Maura Monti
Dr. Isabel Reed
Yerye Beirute
Yerye Beirute
Thomas
Tere Valez
Nancy
Griselda Mejía
Prostitute
Sergio Kleiner
Alien
Mariela Flores
Deaf-mute victim
Tito Novaro
Tito Novaro
Gen. Nord

Frequently Asked Questions

What is Alien Terror (1971) about?

*Alien Terror* follows a groundbreaking scientific experiment that accidentally draws the attention of an extraterrestrial force determined to destroy it. As a brilliant professor and his team prepare to unveil their invention, an alien entity possesses a violent criminal to sabotage their work, plunging the film into a tense battle of wits and survival.

Who directed Alien Terror?

José Luis González de León directed *Alien Terror*, blending Gothic horror with early sci-fi elements to craft a unique cinematic experience.

Who stars in Alien Terror?

The film features legendary horror icon Boris Karloff alongside Enrique Guzmán, Christa Linder, Maura Monti, and Yerye Beirute in pivotal roles.

Is Alien Terror (1971) worth watching?

Though unrated, *Alien Terror* offers a compelling mix of historical horror and sci-fi tension, elevated by Karloff's performance and a brisk runtime. It's a hidden gem for fans of vintage thrillers who enjoy slow-burn suspense and retro atmosphere.

How long is Alien Terror?

The film runs for 90 minutes.

🎥 Trailer

About Alien Terror (1971) — 19th-Century Scientific Horror Meets Cosmic Invasion

Directed by José Luis González de León, *Alien Terror (1971)* plunges viewers into a chilling 19th-century setting where scientific ambition collides with otherworldly horror. Professor John Mayer and his brilliant assistant, Dr. Isabel Reed, unveil a revolutionary ray technology that inadvertently becomes a beacon for an alien entity determined to eradicate it—before it poses a threat to the cosmos. The alien's sinister plan takes a terrifying turn when it hijacks the mind of a deranged serial killer, using him as a vessel to infiltrate Mayer's inner circle during a high-stakes demonstration. As the alien's influence spreads, Mayer's niece, Laura, crosses paths with Dr. Paul Rosten, a chemist whose arrival adds another layer of mystery to the unfolding nightmare. This atmospheric blend of Gothic dread and sci-fi suspense weaves themes of invasion, obsession, and the unintended consequences of human ingenuity.

With a runtime of just 90 minutes, *Alien Terror* delivers a tight, eerie narrative driven by Boris Karloff's commanding presence and Enrique Guzmán's compelling portrayal of Dr. Reed. The film's moody visuals and slow-burn tension create an unsettling experience, where science and the supernatural intertwine in a race against time. Fans of vintage horror will appreciate its retro charm, while sci-fi enthusiasts will relish the alien's calculated pursuit of annihilation.