"Buck Colins heads a group of local ranchers who are trying to prevent the railroad from completing its line through their property. Till now they have been able to charge tolls on herds passing through. Hoppy goes undercover to expose them."
William Boyd
as Hopalong Cassidy
Russell Hayden
as Lucky Jenkins
Britt Wood
as Speedy MacGinnis
Pedro de Cordoba
as Padre Jose
Willard Robertson
as Buck Collins
Matt Moore
as Marlow
Betty Moran
as Ellen Marlow
Kenneth Harlan
as Chas. Higgins
Francis McDonald
as Morgan
Eddie Dean
as Pete
Earle Hodgins
as Deputy
Jason Robards Sr.
as Rancher
Stanley Price
as Agitator
Ray Bennett
as Stokey
George Chesebro
as Henchman
Herman Hack
as Townsman
Don Latorre
as Felipe
George Morrell
Pascale Perry
Rad Robinson
as Cowhand
Tom Smith
as Railroad Worker
Glenn Strange
as Sheriff
Wen Wright
Lesley Selander
Director
Sherman A. Rose
Editor
Victor Young
Music
Russell Harlan
Cinematography
Harry Sherman
Producer
Lewis J. Rachmil
Art Direction
Earl Sitar
Sound
Josef Montaigue
Story
Clarence E. Mulford
Characters
Walter C. Roberts
Additional Dialogue
Sam Robins
Screenplay