Movie·1951·74 min

Unknown World

Name: Unknown World
Genre: Adventure, Science Fiction
Released: 1951-10-26
Duration: 74 min
Cast: Bruce Kellogg, Otto Waldis, Jim Bannon, Tom Handley, Dick Cogan

Unknown World streams in the US on Philo, Screambox Amazon Channel, FlixFling, Eternal Family and 11 more apps, as of October 5, 2026.

Drilling into the forbidding depths of the earth!

4.4 / 10 · TMDB

Adventure Science Fiction

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

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