![Jack Armstrong](https://image.tmdb.org/t/p/w300/28WZQSGG9YLQkYsXxbrKpvkzyMR.jpg)
Jack Armstrong
Jack Armstrong, the All-American Boy, battles the evil Dr. Grood, who has placed a death ray aboard his spaceship orbiting Earth.
- Tür: Macera
- Stüdyo: Sam Katzman Productions
- Anahtar kelime: movie serial
- Oyuncular: John Hart, Rosemary La Planche, Claire James, Joe Brown Jr., Pierre Watkin, Wheeler Oakman