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The Invisible Monster

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Director  Fred C. Brannon
Budget  153,070 USD
Screenplay  Ronald Davison
Writer  Ronald Davidson
4/10 IMDb

Genre  Action, Adventure, Crime
Music director  Stanley Wilson
Language  English
The Invisible Monster movie poster

Release date  10 May 1950 (serial) 1966 (TV)
Cast  Richard Webb (Lane Carson), Aline Towne (Carol Richards), Lane Bradford (Burton), Stanley Price (The Phantom Ruler), John Crawford (Harris), George Meeker (Harry Long)
Similar movies  Zorro Rides Again, Zorro's Fighting Legion, Mysterious Doctor Satan, The Vigilante: Fighting Hero of the West, The Vigilantes Are Coming, The Green Archer

The Invisible Monster is a 1950 Republic film serial.


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The Invisible Monster Thats Pulp The Invisible Monster a serial in 12 chapters

A would-be dictator and scientist, known only as The Phantom Ruler, has developed a formula which, when sprayed on some solid object, renders that object and everything it contains invisible when exposed to rays emitted by a special lamp, also his own invention. Covered from head to toe in formula-treated cloth, he thus moves about unseen, presently with the objective of stealing enough money and formula components to render an entire army of willing followers invisible. Two henchmen assist him, along with several illegal aliens smuggled into the US by him and used to infiltrate, as employees, possible sites for him to later rob while invisible. When he successfully robs a bank vault, an investigator from the bank's insuror teams up with a woman police detective to solve the mystery of the money which to all outside appearances has just vanished. Tracking clues and interrupting other attempts by the Phantom Ruler to commit crimes, the protagonists round up enough evidence that they are not merely dealing with an ordinary crime ring. Eventually they discover the invisibility fluid and lamp, and the Phantom Ruler is killed when he trips over an open high-power electric cable he had laid on the floor of his den to do in the forces of law and order closing in upon him.


The Invisible Monster The Invisible Monster 1950 IMDb

  • Richard Webb as Lane Carson
  • Aline Towne as Carol Richards
  • Lane Bradford as Burton
  • Stanley Price as The Phantom Ruler. The villain of the serial uses the trappings of the Mystery Villain but his identity is revealed to the audience in the first chapter.
  • John Crawford as Harrison
  • George Meeker as Harry Long
  • Production

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    The Invisible Monster was budgeted at $153,070 although the final negative cost was $152,115 (a $955, or 0.6%, under spend).

    The Invisible Monster The Invisible Monster The Files of Jerry Blake

    It was filmed between March 7 and 30, 1950 under the working title The Phantom Ruler. The serial's production number was 1707.


  • Tom Steele as Lane Carson (doubling Richard Webb)
  • Dale Van Sickel as Harry Long (doubling George Meeker)
  • Special effects

    Special effects created by the Lydecker brothers.


    The Invisible Monster's official release date is May 10, 1950, although this is actually the date the sixth chapter was made available to film exchanges.


    The Invisible Monster was one of twenty-six Republic serials re-released as a film on television in 1966. The title of the film was changed to Slaves of the Invisible Monster. This version was cut down to 100-minutes in length.

    Critical reception

    Cline describes this serial as just a "quickie."


    The Invisible Monster has 12 chapters. The first chapter is 20 minutes long, and each one thereafter is 13 minutes, 20 seconds. Chapter 10, "High Voltage Danger", is a recap of all previous episodes.


    The Invisible Monster Wikipedia
    The Invisible Monster IMDb The Invisible Monster