Unknown World poster
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Unknown World

4.419511h 14mNRMovieAdventureScience Fiction

With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.

DirectorTerry O. Morse
WriterMillard Kaufman
ProducersIrving Block·Jack Rabin

Where to watch

FlixFlingFlixFlingCultpixCultpixARROWARROWArtiflixArtiflixTubi TVTubi TV
Availability shown for Canada · rights vary by country

Cast · Directed by Terry O. Morse

BKBruce Kellogg
Bruce Kellogg
Wright Thompson, Jr.
OWOtto Waldis
Otto Waldis
Dr. Max A. Bauer
JBJim Bannon
Jim Bannon
Andrew "Andy" Ostergaard
TH
Tom Handley
Dr. James Paxton
DCDick Cogan
Dick Cogan
Dr. George Coleman
GBGeorge Baxter
George Baxter
Carlisle Foundation Chairman
MNMarilyn Nash
Marilyn Nash
Dr. Joan Lindsey
VKVictor Kilian
Victor Kilian
Dr. Jeremiah Morley (uncredited)

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More from Otto Waldis · Co-star actor

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More from Terry O. Morse · Director

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Unknown World — streaming FAQ

Which OTT platform streams Unknown World?

Unknown World is streaming on FlixFling, Cultpix and ARROW in Canada. It's not currently on Netflix.

Is Unknown World on Netflix?

No, Unknown World is not on Netflix in Canada as of September 2026. It's currently on FlixFling and Cultpix.

Is Unknown World on Amazon Prime Video?

No, Unknown World isn't on Amazon Prime Video in Canada right now. It's on FlixFling and Cultpix instead.

Where can I watch Unknown World for free?

Unknown World is available to stream free (with ads) on Artiflix and Tubi TV in Canada.