Overview
This John Nesbitt's Passing Parade short looks at how a few specific inventions made a major contribution to the U.S. war effort.
Cast
- John Nesbitt as Narrator (voice)
- Ernie Alexander as Billiard Ball Tester (uncredited)
- Margaret Bert as Arachnophobic Woman (uncredited)
- Edward McWade as Billiard Ball Tester (uncredited)
- Roger Moore as Doctor (uncredited)
- Tom Quinn as Laboratory Man (uncredited)
- Bert Stevens as Laboratory Man (uncredited)