Overview
Three brothers - Marshall, Marty and Mark dream of becoming naturalists and portraying animal life of America. One summer their dream comes true, they travel through America, filming alligators, bears and moose.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 15 | 44 | |
 | 27 | 55 | |
 | 18 | 47 | |
 | 45 | 73 | |
 | 45 | 74 | |
 | 49 | 77 | |
 | 50 | 79 | |
 | 26 | 55 | |
 | 53 | 82 | |
 | - | - |