Fugitive Nazis threaten to take over the Wyoming range in this Three Mesqueteers outing, which also warns about the danger of blithely assuming that every German-American is a fifth columnist. Which is exactly what rancher Clem Parker (Hal Price) does when learning that a couple of escaped Axis war criminals may be heading towards the local valley.
| Writing | Albert DeMond | Screenplay |
| Writing | William Colt MacDonald | Characters |
| Writing | Morton Grant | Screenplay |
| Directing | John English | Director |
| Writing | Charles L. Tedford | Idea |
| Sound | Mort Glickman | Original Music Composer |
| Art | Russell Kimball | Art Direction |
| Editing | William P. Thompson | Editor |
| Art | Otto Siegel | Set Decoration |
| Camera | Bud Thackery | Director of Photography |
