Overview
Dr. Peter Holmes (Carl Moehner), zoologist and veterinarian, relectantly agrees to permit his dog, Wolf, to be used in a launch project commissioned by the International Conference of Science, at Geneva, to study body function and survival in outer space. Holmes had discovered Wolf as a pup in the forest, only to lose him again in a flood, and is fearful of risking the dog's life again.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 37 | January 14, 2005 (83) | |
 | 26 | March 15, 2022 (89) | |
 | 33 | July 18, 1992 (67) | |
 | 54 | November 23, 1984 (80) | |
 | 50 | September 28, 1964 (55) | |
 | 34 | 101 | |
| 28 | August 9, 1985 (55) | |
 | 31 | March 3, 2009 (81) |