"European bad guy Baron Bendor leads some local townsmen in a plot to obtain horses through theft. Hoppy and his sidekicks Lucky and Speedy must find and expose the horse thieves."
William Boyd
as Hopalong Cassidy
Britt Wood
as Speedy McGinnis
Russell Hayden
as Lucky Jenkins
Jan Clayton
as Sue
Morris Ankrum
as Baron Rendor
Wright Kramer
as Colonel White
Eddie Dean
as Marshal
Donald Kirke
as Harry Cole
Roy Barcroft
as Bowman
Kermit Maynard
as Johnson
Walter Shumway
as Snell
Ken Darby
as Rider
Bud Linn
Rad Robinson
Jon Dodson
Murdock MacQuarrie
as Zeke
Wen Wright
as Ranch Hand
Jim Corey
as Barfly
Ray Jones
Merrill McCormick
as Man Watching Poker Game
George Morrell
as Townsman
Charles Murphy
William H. O'Brien
as Bald Bartender
Edward Peil Sr.
as Man Wearing Visor
Tex Phelps
John Powers
Howard Bretherton
Director
Harry Sherman
Producer
John Leipold
Music
Lewis J. Rachmil
Art Direction
Carroll Lewis
Editor
Daniel Kusell
Screenplay
Clarence E. Mulford
Characters
Harold Daniel Kusel
Jack Jungmeyer
Story
Russell Harlan
Director of Photography