An Edinburgh professor and assorted colleagues follow an explorer's trail down an extinct Icelandic volcano to the earth's center.
James Mason
Sir Oliver S. Lindenbrook
Arlene Dahl
Carla Göteborg
Pat Boone
Alexander 'Alec' McKuen
Peter Ronson
Hans Belker
Thayer David
Count Saknussem
Diane Baker
Jenny Lindenbrook
