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The Unknown Terror

They dared enter the Cave of Death to explore the secrets of hell!

12 Aug 1957
  • United States of America
76 mins
5.1
13 votes
  • Horror
articleOverview personCast
A woman leads an expedition into a remote jungle to find her long-lost brother, but instead finds a mad scientist who has created a fungus monster that feeds on the local inhabitants.
  • John Howard

    as Dan Matthews
  • Mala Powers

    as Gina Matthews
  • Paul Richards

    as Peter Morgan
  • May Wynn

    as Concha Ramsey
  • Gerald Milton

    as Dr. Ramsey
  • Duane Grey

    as Lino
  • Richard Gilden

    as Raoul Koom
  • Martín Garralaga

    as Lead Villager
  • Patrick O'Moore

    as Dr. Willoughby
  • William Hamel

    as Mr. Trainor
  • Charles Grey

    as Jim Wheatley / ?The Monster Man
  • Charles Postal

    as Higgs (butler)

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