Trailer
Images
 | 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 |
| Ken Darby as The King's Men Member |
| Jon Dodson as The King's Men Member |
 | MartÃn Garralaga as Bolo-Carrier |
 | Herman Hack as Rodeo Spectator |
| Bud Linn as The King's Men Member |
| Johnny Luther as Henchman |
| Jack Montgomery as Barfly |
 | Tex Phelps as Rodeo Spectator |
| George Plues as Rodeo Spectator |
| Rad Robinson as The King's Men Member |
| Tony Roux as Gaucho |
 | George Sowards as Henchman |
| Directing | |
| Nate Watt | Director |
Writing | |
| Harrison Jacobs | Screenplay |
| Clarence E. Mulford | Characters |
Production | |
| Harry Sherman | Producer |
| Joseph W. Engel | Associate Producer |
Sound | |
| Victor Young | Original Music Composer |
| John Leipold | Original Music Composer |
Camera | |
| Russell Harlan | Director of Photography |
Editing | |
| Carroll Lewis | Editor |
Art | |
| Lewis J. Rachmil | Art Direction |
Directing | |
| Derwin Abrahams | Assistant Director |
Sound | |
| Earl Sitar | Sound |
Crew | |
| Ted Wells | Stunts |
Costume & Make-Up | |
| Earl Moser | Costume Design |
