Overview
As rustled cattle have mysteriously disappeared, Johnny sends for his friend Hoppy, Hoppy arrives and immediately suspects Dan Slack. Realizing his telegram about Slack was intercepted, he locks up the operator Lafe knowing he can escape. Tailing Lafe he finds a secret entrance to a mine and inside finds the missing cattle. But Slack's men also find him just as the cattle are stampeded through the mine shaft.
Cast
- William Boyd as Hopalong Cassidy
- Andy Clyde as California Carlson
- Ellanora Needles as Sharon Longstreet
- Bobby Larson as Bobby Longstreet
- Victor Jory as Dan Slack
- Jay Kirby as Johnny Travers
- Forbes Murray as Bart Gailey
- Christian Rub as Sooky Withers
- George Givot as Sam Bucktoe
- George Reeves as Harrison Brooke