Overview
An Edinburgh professor and assorted colleagues follow an explorer's trail down an extinct Icelandic volcano to the earth's center.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 50 | July 27, 1984 (75) | |
 | 34 | November 29, 2021 (96) | |
 | 25 | 91 | |
 | 25 | January 16, 2007 (72) | |
 | 32 | July 17, 1978 (51) | |
 | 21 | 87 | |
 | 56 | August 8, 1988 (85) | |
 | 44 | July 2, 1989 (74) | |
 | 42 | March 24, 2000 (82) | |
 | 63 | November 29, 1980 (84) |