
Did you know
Tight 68-minute runtime — shorter than most television pilots.

""Hoppy" goes into ACTION against Cattle Rustlers!"
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.
“"Hoppy" goes into ACTION against Cattle Rustlers!”

William Boyd
Hopalong Cassidy

Andy Clyde
California Carlson
Ellanora Needles
Sharon Longstreet

Bobby Larson
Bobby Longstreet

Victor Jory
Dan Slack

Jay Kirby
Johnny Travers

Forbes Murray
Bart Gailey

Christian Rub
Sooky Withers
Credits
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Did you know?
Cinephile deep dive
Joseph Henabery directs. Carroll Lewis cuts. Runs lean at under 100 minutes. Produced in United States of America. Dialogue in English.
Trivia
Part of
All films featuring the character Hopalong Cassidy, played by actor William Boyd.


































































Also by
Production companies

United Artists
US
Harry Sherman Productions
US
Release history · US
Also known as