restore his speech, the doctors at the hospital find his adventure incredulous. When they closely examine the medallion that Sandra gave Holloway, its design proves its Druidic origin, verifying his story. Cast Mikel Conrad as Steve Holloway Doris Merrick as Sandra Richard Monahan as Benny Mark Lowell as Ed Morgan Jones as Andy Midge Ware as Myra Judy Brubaker as Valdra Carol Brewster as Tennus Autumn Russell as Cleo (as Autumn Rice) Lyle Talbot as Col. Loring Montgomery Pittman as Prof. Warren Miriam Kaylor as Nurse Edmunds Production Filmed in just a week, the film's creature special effects were lifted from the earlier Hal Roach Studios film, One Million BC (1940). The volcanic eruption sequence was reused special effects stock footage. Reception In 1986 the film was featured in an episode of the Canned Film Festival. TV Guide found its quality reflected its minuscule budget and short production time. The Encyclopedia of Science Fiction found the film to be mediocre. References Bibliography Warren, Bill. Keep Watching The Skies: American Science Fiction Movies of the 1950s, Vol I: 1950–1957. Jefferson, North Carolina: McFarland & Company, 1982. . 1950s science fiction adventure films American science fiction adventure films Films set in Oceania Lost world films United Artists films American black-and-white films Films about cavemen Films about dinosaurs 1950s English-language films 1950s American films