A party of archaeologists discovers the remnants of a five millennia-old mutant Sumerian civilization living beneath a glacier atop a mountain in Mesopatamia.
John Agar
Dr. Roger Bentley
Cynthia Patrick
Adad
Hugh Beaumont
Dr. Jud Bellamin
Alan Napier
Elinu, the High Priest
Nestor Paiva
Prof. Etienne Lafarge
Phil Chambers
Dr. Paul Stuart
Rodd Redwing
Nazar
Robin Hughes
First Officer
