Hopalong Cassidy
William Boyd
Lucky Jenkins
Russell Hayden
Ernesto
Jo Jo La Savio
Henchman
Roy Brent
The King's Men Member
Ken Darby
Jon Dodson
Bolo-Carrier
Martín Garralaga
Rodeo Spectator
Herman Hack
Bud Linn
Johnny Luther
Barfly
Jack Montgomery
Tex Phelps
Fernando "El Melancolio" Lopez Ramirez
Sidney Toler
George Plues
Rad Robinson
Gaucho
Tony Roux
George Sowards
Chiquita
Steffi Duna
Ralph Merritt
Sidney Blackmer
Valdez
Pedro de Cordoba
Buck Peters
William Duncan
Dolores
Anna Demetrio
Naples
Eddie Dean
Slim Schultz
Glenn Strange
Director
Nate Watt
Original Music Composer
Victor Young
Director of Photography
Russell Harlan
John Leipold
Stunts
Ted Wells
Sound
Earl Sitar
Associate Producer
Joseph W. Engel
Producer
Harry Sherman
Assistant Director
Derwin Abrahams
Art Direction
Lewis J. Rachmil
Costume Design
Earl Moser
Screenplay
Harrison Jacobs
Characters
Clarence E. Mulford
Editor
Carroll Lewis