Joe Weller has instigated a conflict over water rights between two ranchers. The idea is to have the ranchers do each other in then move in and take over. Hoppy and the good guys won't let this happen.
William Boyd
as Hopalong Cassidy
Andy Clyde
as California Carlson
Russell Hayden
as Lucky Jenkins
Margaret Hayes
as Myra Woods
Sarah Padden
as Ma Harriet Woods
Stanley Andrews
as George Davidson
Morris Ankrum
as Weiler, Davidson's Foreman
Cliff Nazarro
as Nosey Haskins
James Seay
as Woods Cowboy Hank
Weldon Heyburn
as Lead Henchman
Eddy Waller
as Woods Cowboy Jim Stark
Morgan Wallace
as Sheriff Collins