"When the outlaw El Toro saves Hoppy's life, Hoppy agrees to find his missing grandson."
William Boyd
as Hopalong Cassidy
James Ellison
as Johnny Nelson
William Farnum
as El Toro
George 'Gabby' Hayes
as Spike
Addison Richards
as Big Henry
Joan Woodbury
as Dolores
Frank Shannon
as Mike
Dorothy Revier
as Dolly
Paul Fix
as Steve
Al Lydell
as Pop
John Merton
as Ed
George Mari
as Pablo Chavez
Juan Torena
as Esteban
Henry Sylvester
as Sheriff
Buck Bucko
as Vaquero
Roy Bucko
Jim Corey
as Barfly
Rube Dalroy
Cliff Lyons
as Cowhand
Bud McClure
as Cantina Patron
Jack Montgomery
as Townsman
Howard Bretherton
Director
Archie Stout
Director of Photography
Clarence E. Mulford
Novel
Harry Sherman
Producer
Edward Schroeder
Editor
Doris Schroeder
Screenplay
Harrison Jacobs
