|Virgil W. Vogel Director||previously directed The Kettles on Old MacDonald's Farm|
An expedition to Antarctica goes wrong. A part of the expedition: three men and a woman, crash-land during a recon mission. The crash takes them into a deep crater where they find a prehistoric world.
Lt. Jack Carmen
We could be inside the crater of a volcano
I hope its got a bottom
|William N. Robson|
|Jock Mahoney||Cmndr. Harold 'Hal' Roberts|
|Shirley Patterson||Margaret 'Maggie' Hathaway|
|William Reynolds||Lt. Jack Carmen|
|Henry Brandon||Dr. Carl Hunter|
|Douglas Kennedy||Capt. Burnham|
|Phil Harvey||Machinist's Mate Steve Miller|
|Ralph Brooks||Bit Role|
|Kenner G. Kemp||Officer on Ship|
|Bing Russell||Radio Operator|
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