The son of an Army friend is about the join an outlaw gang. Hoppy prevents this and brings the gang to justice.
as Hopalong Cassidy
as California Carlson
as Lucky Jenkins
as Professor Dixon
as Jessie Dixon
as Speed
as Bruce Landy
as Duke
as Sandler
as Barton
as Blackie
as Colonel Jed Landy
as Lieutenant
as Sergeant