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4.1/10

Science-Fiction Action & Adventure 19511h 14mOn: Free Services Tags: Science Country: America

With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.Unknown World featuring Bruce Kellogg and Otto Waldis is free on Tubi, and available for rent or purchase on Prime Video. It's an Action & Adventure and Science Fiction movie with a low IMDb audience rating of 4.1 (1,130 votes).

Where to Watch Unknown World

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Cast & Crew

Terry O. Morse

Bruce Kellogg

Wright Thompson

Otto Waldis

Dr. Max A. Bauer

Jim Bannon

Andy Ostergaard

Tom Handley

Dr. James Paxton

Dick Cogan

Dr. George Coleman

George Baxter

Carlisle Foundation Chairman

Marilyn Nash

Dr. Joan Lindsey

Victor Kilian

Dr. Jeremiah Morley (uncredited)

Irving Block

Jack Rabin

Millard Kaufman

Ernest Gold

Reelgood Watch Guide

Streamability Score

The Streamability Score factors in where something can be watched at a given moment and weighs it against the popularity and cost of the available streaming services. The higher the score, the easier it is to stream for the largest number of people.

Available to watch free online (Tubi).

Available to rent or buy from $1.99 on 1 service (Prime Video).

Not available to stream on a subscription service.

Not available to stream on a TV everywhere service.

Reelgood Score

The Reelgood Score takes into account audience and critics scores from IMDb and critic sentiment, recent popularity, and other quality markers like genres or cast & crew to help you find what to watch. The higher the score, the better the movie or show.

#137,643 Ranked Movie

#2039 Ranked in Science Movies

#4123 Ranked in Science-Fiction Movies

#18260 Ranked in Action & Adventure Movies

Unknown World has a low IMDb audience rating of 4.1 (1,130 votes). The movie is somewhat popular with Reelgood users lately.

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