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The Invisible Monster (1950)

Approved  |   |  Action, Adventure, Crime  |  10 May 1950 (USA)
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Ratings: 4.0/10 from 158 users  
Reviews: 4 user | 5 critic

Evil villain plots to take over the world using an army of invisible soldiers.



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Cast overview, first billed only:
Richard Webb ...
Lane Carson
Aline Towne ...
Carol Richards
Lane Bradford ...
Stanley Price ...
John Crawford ...
George Meeker ...
Harry Long
Keith Richards ...
Doctor [Ch.12]
Dale Van Sickel ...
Otto Wagner / 'Frank Martin' [Chs. 1, 10]
Tom Steele ...
Bill 'Mack' Haines [Chs. 5,10]
MacDuff, Roadblock Cop [Chs.1, 7-9]
Forrest Burns ...
Joe, Watchman [Ch.5]
Eddie Parker ...
Stoner, Barn Henchman[Ch.9] (as Ed Parker)
Frank O'Connor ...
Hogan [Ch.5]
Charles Regan ...
Art (as Chas Regan)
Charles Sullivan ...
Grogarty, Squad Car Cop [Chs.7-8]


Evil villain plots to take over the world using an army of invisible soldiers.

Plot Summary | Add Synopsis


SUSPENSE CHARGED SERIAL THRILLS!...As The Monster Ruler Wreaks His Mad Vengeance Upon All Who Dare To Defy Him! (original poster) See more »






Release Date:

10 May 1950 (USA)  »

Also Known As:

The Phantom Ruler  »

Box Office


$152,115 (estimated)

Company Credits

Production Co:

Show detailed on  »

Technical Specs


(12 episodes)

Sound Mix:

(RCA Sound System)

Aspect Ratio:

1.37 : 1
See  »

Did You Know?


Chapter Titles: 1. Slaves of the Phantom 2. The Acid Clue 3. The Death Car 4. Hightway Holocaust 5. Bridge to Eternity 6. Ordeal by Fire 7. Murder Train 8. Window of Peril 9. Trail to Destruction 10.High Voltage Danger 11.Death's Highway 12.The Phantom Meets Justice See more »


In the freshly filmed sequences, the police drive 1950 Nash sedans, but in the frequently seen stock footage, they revert back to 1936 Fords. See more »


Referenced in The League of Extraordinary Gentlemen (2003) See more »

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User Reviews

And on, and on, and on, and on
31 August 2000 | by (Toronto, Canada) – See all my reviews

WOW!!! I have never seen such a slugfest. And the interesting thing is the both the hero, Richard Webb and the bad guys, Lane Bradford and John Crawford just keep taking a licking and keep on ticking. There are more punches thrown in the 12 chapters than in a heavyweight championship match. There are also more people being tossed around and wrestled to the ground than in a championship wrestling match. Within minutes, after our hero has been pummeled senseless, he is back chasing the bad guys.

I never saw any serials in the movies as I was growing up, but to me it would be very frustrating to see about 15 to 20 minutes of film and the last scene of the chapter has our hero in some dire life and death situation. If I had seen this in the movies, I would have to wait at least a week to find out how our hero Lane Carlson (the future Captain Midnight) was able to survive the ordeal and come back with a vengeance in the next chapter to try and apprehend the bad guys.

Thanks to video, I don't have to wait a week, or even an hour. It just depends on what mood I'm in and that determines whether I can sit through the "excitement" of the next chapter.

It was very interesting to see John Hamilton (the future Perry White of Superman) in this movie, even though he had a bit part.

All in all, the movie is interesting enough to hold my attention for all 12 chapters. I think I'll save it for a rainy day. Bring on the popcorn please.

9 of 14 people found this review helpful.  Was this review helpful to you?

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