Skip to content
What's After the Movie?
Sci-fi horror film

The Strange World of Planet X (1958): Cast & Plot

The Strange World of Planet X (1958) movie poster

The Strange World of Planet X is a 1958 sci-fi horror film directed by Gilbert Gunn, starring Alec Mango as Dr. Laird, Forrest Tucker and Dandy Nichols. It runs 1 hour 15 minutes.

The Strange World of Planet X (1958) movie poster
Released
Runtime
1h 15m (75 min)
Director
Gilbert Gunn
Genres
Horror , Sci-Fi
Original language
English
After the credits
No No extra scene
The story

What Is The Strange World of Planet X About?

The premise of The Strange World of Planet X without spoilers. The whole story is in the plot summary further down.

A man and an alien join forces to confront a hidden menace threatening the universe. Near a quiet English village, a scientific team experiments with magnetic fields whose intensifying effects appear linked to UFO sightings, a series of murders, a massive insect egg, and a mysterious visitor possessing extraordinary scientific knowledge.

The Strange World of Planet X Themes & Keywords

· 50 tags
  • giant monster
  • giant monster sci fi
  • space alien
  • giant insect
  • spaceship
  • psychotronic film
  • pub
  • low budget sci fi movie
  • monster
  • bug
  • experiment
  • alien
+38 more
  • insect
  • spider
  • spider web
  • kaiju
  • magnetic field
  • outer space
  • woods
  • stranger
  • storm
  • b movie
  • teacher
  • scientist
  • scientific experiment
  • science
  • school
  • research laboratory
  • laboratory
  • isolation
  • cautionary tale
  • mutant
  • giant spiderweb
  • atmospheric disturbance
  • professional woman
  • close encounter of the third kind
  • experiment gone wrong
  • giant centipede
  • giant spider
  • hobo
  • insane man
  • military rescue
  • giant insect egg
  • magnet
  • schoolteacher
  • scientist hero
  • extraterrestrial
  • unidentified flying object
  • attempted rape
  • england
Cast & crew

The Strange World of Planet X Cast & Characters

Alec Mango leads the cast as Dr. Laird, with Forrest Tucker as Gil Graham and Dandy Nichols as Mrs. Tucker. Directed by Gilbert Gunn; 13 actors are credited in all.

Also Starring in The Strange World of Planet X

· 9 more
Plot

The Strange World of Planet X Plot Summary

What happens in The Strange World of Planet X from start to finish, spoilers included, with a timeline of 13 key events. The opening is below; the full summary is a 2-minute read.

Spoilers ahead

In the south of England, a secluded laboratory near a quiet village becomes the stage for the bold, perilous work of physicist Dr. Laird Alec Mango and his American ally Gilbert Graham Forrest Tucker. They push magnetic fields to the limit, drawing power from equipment not designed to handle such loads, and an accident injures a junior assistant, prompting a replacement that brings Brigadier Cartwright Wyndham Goldie to the scene. He is joined by Michele Dupont Gaby André, a sharp computer expert whose analysis helps steady the power problem while hinting at dangers far beyond the lab’s walls.

Full summary

The whole story of The Strange World of Planet X, scene by scene

Read the full summary
Videos

The Strange World of Planet X Trailers & Videos

The trailer of The Strange World of Planet X.

STRANGE WORLD OF PLANET X
Quiz

How Well Do You Know The Strange World of Planet X?

9 questions about the story, each with a hint if you get stuck. Pick an answer to see whether you were right.

Question 1 of 9

  1. Question 1: not answered
  2. Question 2: not answered
  3. Question 3: not answered
  4. Question 4: not answered
  5. Question 5: not answered
  6. Question 6: not answered
  7. Question 7: not answered
  8. Question 8: not answered
  9. Question 9: not answered

What scientific phenomenon do Dr. Laird and Gilbert Graham push to dangerous limits?

Details

The Strange World of Planet X Also Known As

3 alternative titles, including “Cosmic Monsters” and “The Cosmic Monster”.

Also known as
  • Cosmic Monsters
  • The Cosmic Monster
  • The Crawling Terror

Seen The Strange World of Planet X?

FAQ

The Strange World of Planet X FAQ: Cast & Runtime

Runtime, release date, director, cast and post-credit scenes of The Strange World of Planet X, each answered in a sentence.

How long is The Strange World of Planet X?

The Strange World of Planet X runs 1 hour 15 minutes (75 minutes).

When was The Strange World of Planet X released?

The Strange World of Planet X was released on March 4, 1958.

Who directed The Strange World of Planet X?

The Strange World of Planet X was directed by Gilbert Gunn.

More films by Gilbert Gunn

Who is in the cast of The Strange World of Planet X?

The Strange World of Planet X stars Alec Mango as Dr. Laird, Forrest Tucker as Gil Graham and Dandy Nichols as Mrs. Tucker, among 13 credited actors.

Does The Strange World of Planet X have a post-credit scene?

No. The Strange World of Planet X has no extra scene during or after the credits.

Coming soon to your phone

The Plot Explained Movie Summary App

From blockbusters to hidden gems: plot summaries, endings explained and timelines on your phone. Save your favorites and never miss a twist again.

Be the first to know when it launches. Your email stays private, always. Learn more about the app