U.S. Marshal Hopalong Cassidy is called when a town becomes overun with bad guys. Disguised as a member of a medicine show, Hoppy discovers that the ringleader is none other than sweet li'l ol' Ma Burton.
| Directing | Lesley Selander | Director |
| Writing | Clarence E. Mulford | Characters |
| Writing | Harrison Jacobs | Screenplay |
| Production | Harry Sherman | Producer |
| Editing | Sherman A. Rose | Editor |
| Art | Lewis J. Rachmil | Production Design |
| Camera | Russell Harlan | Director of Photography |
