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King Dinosaur (1955)

A new planet moves into our solar system and four scientists (two couples) are sent to explore Planet Nova. In between romantic interludes, the cast faces an iguana masquerading as a Tyrannosaurus Rex.


Bert I. Gordon


Bert I. Gordon (based on an original story by), Al Zimbalist (based on an original story by) | 1 more credit »

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Complete credited cast:
William Bryant ... Dr. Ralph Martin (as Bill Bryant)
Wanda Curtis Wanda Curtis ... Dr. Patricia Bennett
Douglas Henderson Douglas Henderson ... Dr. Richard Gordon
Patti Gallagher Patti Gallagher ... Nora Pierce
Marvin Miller ... Narrator (voice)


Blasting off to a newly discovered planet called Nova, which moved into our solar system, four explorers behold a fantastic adventure. The mysterious new planet has similar characteristics of Earth, except it is home to terrifying monsters like giant snakes, giant ants, mutated alligators, and most terrifying of all, King Dinosaur, a strange lizard-like being that is a fatal threat to the explorers. Can these people survive this planet and escape? Written by Henry J. V. B-movie collector

Plot Summary | Plot Synopsis


Mightiest Monster of Them All! See more »


Adventure | Sci-Fi


Not Rated | See all certifications »






Release Date:

17 June 1955 (USA) See more »

Also Known As:

Rei Dinossauro See more »

Company Credits

Production Co:

Zimgor Productions See more »
Show more on IMDbPro »

Technical Specs


Sound Mix:


Aspect Ratio:

1.37 : 1
See full technical specs »

Did You Know?


This was the first of Bert I. Gordon's low budget special effects extravaganzas that were popular in the 1950s. See more »


When Ralph makes the remark "It'll be a lot easier to find our way in the daylight," it is very clear from the light shining through the trees that the film is shooting the scene day-for-night. See more »


[first lines]
Narrator: On April 23rd, the word to start comes from Washington. Underneathly, our finest research laboratories change over to this all important project, the building of a passenger carrying rocketship. Every security measure is taken. Test upon test must be made to develop, improve, create, evolve.
See more »

Crazy Credits

featuring Little Joe--The Honey Bear See more »


Edited into Fire Maidens of Outer Space (1956) See more »

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User Reviews

Awful, cynically motivated sci fi cheapie from Mr.BIG.
24 March 2001 | by youroldpaljimSee all my reviews

Now, I did not expect this film to be good. I already knew of its bad repution, and the fact that it is was the first film by Bert I Gorden, I was already prepared to watch a bad film. KING DINOSAUR was actually even worse than I expected! All of the Bert Gordens films that I have seen are all bad, but at least I can find one or two good things to say about them. Not here! Even the opening sequence is dull. Narrator Marvin Miller tells us that a new planet has found its way in the Earths galaxy (sic). Scientists speculate the new planet, which they name "Nova" might be habitable, so plans for a manned flight to the new planet are planned. These plans are shown to us entirely with stock footage As bad as later Gorden films are, I have always felt many of his films like THE AMAZING COLOSSAL and WAR OF THE COLOSSAL BEAST do open well. Perhaps this is the only lesson Gorden has learned from KING DINOSAUR during his long dubious career. The crew consisting of two men and two women arrive on the new planet in a super-imposed V2. WE see no shots of the inside of the ship. The crew exists the rocket and finds the planet to be...well (surprise!) just like good old planet Earth. As the crew wanders around, stock shots of normal animals like bears, moose, geese, tigers, a normal size caiman which one of the crew wrestle with like Tarzan. The crew also adopts a friendly kinkajou (?) they come upon whom they name Joe. In one scene they encounter a poor marco photographed mole cricket which briefly menaces the crew but is quickly dispatched by bullets. They then decide to explore an island that lies in the middle of a lake. I suppose since Gorden figured that King Kong lived on an island inhabited by dinosaurs, he would place his dinosaurs on an island. Hey, the film does have "king" in the title. Upon arriving on the island the crew is menaced by an oversized iguana and a few other enlarged lizards. Before fleeing the island they set the timer off on an atom bomb. Yes! An atom bomb! As they flee the island they are chased by the giant lizards, a stock shot of a mata mata turtle, and a stock footage shot of a woolly elephant from ONE MILLION B.C. They make it shore and the bomb goes off. Someone says the planet is now safe for civilization.

Why would the crew of a rocketship sent to explore a new planet bring along a an atom bomb? Because Bert Gorden probably wanted his film to end things with a bang and atom bombs do make a big bang. How does nukeing a puny island with a few dinosaurs bring civilization? What makes them think that this is only spot on the whole planet where dinosaurs live? Would not scientists back on Earth be interested in studying this abnormal zoology? Off the island they were menaced by a giant cricket. Will future Earth rockets come to nuke the rest of the planet? Did Gorden or anyone involved in the making of this film care? Why do I even bother to ask? How did I ever find this much to say about this rotten film?

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