Overview
15 episode serial where Jack Armstrong, the All-American Boy, battles the evil Dr. Grood, who has placed a death ray aboard his spaceship orbiting Earth.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 29 | September 20, 2009 (91) | |
 | 23 | May 6, 1979 (55) | |
 | 26 | January 18, 1985 (64) | |
 | 25 | June 21, 2001 (80) | |
 | 57 | February 3, 1960 (70) | |
 | 56 | March 19, 1949 (59) | |
 | 44 | February 20, 1969 (66) | |
 | 46 | January 20, 1960 (59) | |
 | 46 | November 8, 1952 (52) |