- Released on October 30, 1957
- Running time: 78 minutes
- Production and Distribution Co.: Universal Pictures (as Universal-International Pictures)
- Directed by Virgil W. Vogel
- Written by László Görög, William N. Robson, Charles Palmer
- Starring: Jock Mahoney, Shirley Patterson, William Reynolds
- Three men and a woman crash-land in a deep crater in Antarctica, where they find a prehistoric world.
- DEEP IN THE ANTARCTIC WILDERNESS! (original print ad - all caps)
- Lost and Terrorized in Prehistoric Time.
- BEHIND A BARRIER OF ANTARCTIC ICE...A PARADISE OF HIDDEN TERRORS! (original poster-all caps)
- DEEP IN THE ICY ANTARCTIC! (original poster-all caps)
- The story of four people who probed deeper into sciences greatest mystery---Only to become trapped in a forbidden valley of pre-historic monsters! (original poster)
- THRILLS...IN A PARADISE OF HIDDEN TERRORS! (original poster-all caps)