photos videos news photos videos news Unknown World 1951 74 min Adventure, Science Fiction With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world. where where to watch AD AE AG AR AT AU AZ BA BB BE BG BH BM BO BR BS BY BZ CA CH CI CL CM CO CR CV CY CZ DE DK DO DZ EC EE EG ES FI FJ FR GB GF GG GH GI GQ GR GT HK HN HR HU ID IE IL IN IQ IS IT JM JO JP KE KR KW LB LC LI LT LU LV LY MA MC MD ME MK ML MT MU MX MY MZ NE NG NI NL NO NZ OM PA PE PF PH PK PL PS PT PY QA RO RS RU SA SC SE SG SI SK SM SN SV TC TD TH TN TR TT TW TZ UA UG US UY VE XK YE ZA ZM ZW ✕ data from JustWatch watched want to watch oscars IMDb 4.1 director Terry O. Morse writer Millard Kaufman news ✕ loading… photos ✕ videos ✕ Unknown World (1951): Newsreel Sequence clip cast Bruce Kellogg Wright Thompson, Jr. Otto Waldis Dr. Max A. Bauer Jim Bannon Andrew "Andy" Ostergaard T 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)