Overview
Spies from Japan conspire to steal the Channing "preparedness" fortune and invade the United States, beginning in New York, then allying themselves with Mexicans across the border. They are stopped by the efforts of munitions factory heiress Patria Channing and U.S. Secret Service agent Donald Parr.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 23 | January 25, 1969 (75) | |
 | 35 | September 15, 1930 (48) | |
 | 37 | August 6, 1938 (58) | |
 | 40 | August 5, 1924 (47) | |
 | 31 | April 15, 1949 (64) | |
 | 22 | November 17, 1936 (42) | |
 | 34 | April 2, 1950 (67) | |
 | - | January 1, 1938 (null) | |
 | 28 | January 18, 1951 (62) | |
 | 32 | July 28, 1954 (70) |