The Unknown Terror
“They dared enter the Cave of Death to explore the secrets of hell!”
Synopsis
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.
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
'The Unknown Terror' (1957) ♦CLASSIC♦ Theatrical Trailer
Type: Trailer • Published 2023-06-24
Top Cast
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John Howard
Dan Matthews
Mala Powers
Gina Matthews
Paul Richards
Peter Morgan
May Wynn
Concha Ramsey
Gerald Milton
Dr. Ramsey
Duane Grey
Lino
Richard Gilden
Raoul Koom
Martín Garralaga
Lead Villager
Patrick O'Moore
Dr. Willoughby
William Hamel
Mr. Trainor
Charles Grey
Jim Wheatley / ?The Monster Man
Charles Postal
Higgs (butler)
Sir Lancelot
Sir Lancelot
Charles Cirillo
Native (uncredited)
Jim Whitecloud
Native (uncredited)
Foster Hood
Native (uncredited)
Release History & Theatrical Window
August 12, 1957
Wide Cinema Exhibition
Key Information & Fast Facts
- Director
- Charles Marquis Warren
- Screenplay & Story
- Kenneth Higgins
- Original Score
- Raoul Kraushaar
- Original Title
- The Unknown Terror
- Country of Origin
- United States of America
- Spoken Languages
- English
- Runtime
- 1h 16m
- Production Studios
- Emirau Productions, Regal Films
Creative Leadership & Key Crew
Charles Marquis Warren
Kenneth Higgins
Raoul Kraushaar
Joseph F. Biroc
Michael Luciano
Robert Stabler
Department Leadership Roster
Kenneth Higgins
Writer
Robert Stabler
Producer
Raoul Kraushaar
Original Music Composer
Charles Marquis Warren
Director
Joseph F. Biroc
Director of Photography
Michael Luciano
Editor
Production Stills & Gallery
Official cinematic photography and background stills for The Unknown Terror.
Featured In Curated Collections
Editorial lists, community rankings, and cinematic collections featuring The Unknown Terror.
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Frequently Asked Questions About The Unknown Terror
Quick factual answers about cast, synopsis, director, box office, and release information.
What is The Unknown Terror about?
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.
Who directed The Unknown Terror?
The Unknown Terror was directed by Charles Marquis Warren.
Who stars in The Unknown Terror?
The principal cast of The Unknown Terror includes John Howard, Mala Powers, Paul Richards, May Wynn, Gerald Milton.
When was The Unknown Terror released and how long is it?
The Unknown Terror was released in 1957 with a total runtime of 1h 16m.
Who composed the musical score for The Unknown Terror?
The original motion picture soundtrack for The Unknown Terror was composed by Raoul Kraushaar.