Hoppy and Lucky are headed to South America to deliver a heard of cattle. Bay guy Ralph Merritt gets in their way. For a while.
William Boyd
as Hopalong Cassidy
Russell Hayden
as Lucky Jenkins
Sidney Toler
as Fernando "El Melancolio" Lopez Ramirez
Steffi Duna
as Chiquita
Sidney Blackmer
as Ralph Merritt
Pedro de Cordoba
as Valdez
William Duncan
as Buck Peters
Anna Demetrio
as Dolores
Eddie Dean
as Naples
Glenn Strange
as Slim Schultz
Jo Jo La Savio
as Ernesto
Roy Brent
as Henchman