Buck Peters arranges for Hoppy, California, Johnny and other cowboys to go to the aid of friends whose cattle are being rustled. Hoppy and California locate the rustlers' hideout and join the gang by posing as outlaws themselves, but must find a way to let the rest of the posse know where they are.
Movie tag line: "BAR-20 BOYS AGAINST AN ARMY OF KILLERS...but nothing can stop Hopalong and his pals when justice calls!"
Production companies:
Character: Hopalong Cassidy
Character: California Carlson
Character: Nevada Teale
Character: Johnny Nelson
Character: June Winters
Character: Jud Winters
Character: Henchman Gila
Character: Henchman Carp
Character: Singing Cowboy Pete (lead guitar)
Character: Singing Cowboy Skinny (2d guitar)
Character: Singing Cowboy-Mandolin Player
Character: Ranch Foreman Waffles
Character: Long Ben, gambler-saloon owner
Character: Henchman Layton
Character: Henchman "Elbows"
Character: Henchman Duby
Character: Henchman Concho
Character: Chinese Charlie, gang cook
Character: Long Ben's Bartender
Character: Buck Peters
Character: Cowboy Tex
Character: Cowboy Red
Character: Rancher Frenchy
Character: Henchman Ed
Character: Henchman
Character: Henchman
Character: Henchman
Character: Henchman
Character: Hefty Barfly, drinking with Long Ben
Character: Thin Barfly, drinking with Long Ben
Character: Townsman
Character: Lanky Smith