Unknown World



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

  1. Terry O. Morse


  2. Millard Kaufman


Top Billed Cast

  1. Bruce Kellogg

    Bruce Kellogg

    Wright Thompson

  2. Otto Waldis

    Otto Waldis

    Dr. Max A. Bauer

  3. Jim Bannon

    Jim Bannon

    Andy Ostergaard

  4. Tom Handley

    Dr. James Paxton

  5. Dick Cogan

    Dick Cogan

    Dr. George Coleman

Full Cast & Crew

Unknown World
Unknown World


Status Released

Release Information

  • October 26, 1951


Original Language English

Runtime 1h 14m

Budget -

Revenue -



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