Overview
A 10-year-old child prodigy cartographer secretly leaves his family's ranch in Montana where he lives with his cowboy father and scientist mother and travels across the country on board a freight train to receive an award at the Smithsonian Institute.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 10 | 22 | |
 | 47 | 59 | |
 | 58 | 70 | |
 | 53 | 64 | |
 | 16 | 28 | |
 | 10 | 22 | |
 | 43 | 55 | |
 | 43 | 55 | |
 | 58 | 70 | |
 | 57 | 69 |