Hoppy, California and Lucky arrive at a remote inn, where Lucky expects to be married - but finds the bride-to-be in distress over her uncle, who has suddenly disappeared from the inn. Then Hoppy finds the uncle's body in the shaft of his nearby mine...
| Actor | Role |
|---|---|
 William BoydHopalong Cassidy | Hopalong Cassidy |
 Andy ClydeCalifornia Carlson | California Carlson |
 Rand BrooksLucky Jenkins | Lucky Jenkins |
 Mary WareMary Benton | Mary Benton |
 John ParrishJeff Potter | Jeff Potter |
 Leonard PennEarl Wesson | Earl Wesson |
 Richard AlexanderDuke | Duke |
 Francis McDonaldBart Lansing | Bart Lansing |
| BBob GabrielLarry Potter | Larry Potter |
 Forbes MurraySheriff Tompson | Sheriff Tompson |
 Stanley AndrewsJesse Williams | Jesse Williams |
 Don HaggertyDeputy Sheriff | Deputy Sheriff |