West and Gordon are called to the deserted mining town of Brimstone by Professor Colecrest, who has made a discovery of great importance. However, before they get there, the Professor is captured by a gang of men.
| Name | Type | Role | |
|---|---|---|---|
| Charles McCauley | Guest Star | ||
| Ken Mayer | Guest Star | ||
| Dabbs Greer | Guest Star | ||
| Dick Cangey | Guest Star | ||
| Bill Quinn | Guest Star | ||
| Fred Stromsoe | Guest Star | ||
| Red West | Guest Star | ||
| John Crawford | Guest Star | ||
| Robert Phillips | Guest Star | ||
| Tommy J. Huff | Guest Star | ||
| Leslie Charleson | Guest Star | ||
| Bernard McEveety | Director | ||
| Joel Kane | Director | ||
| Milton Smith | Director |