Roy Rogers, a Nevada State Ranger Captain in charge of the Rangers Reclamation Service, makes a trip to Las Vegas for the annual Heldorado Frontier Days Festival, as he wants to help his old friend Gabby Whittaker who originated the idea (at least, in this film).In Las Vegas, Roy meets heiress Carol Randall, who has been selected as the Queen of the Heldorado. Roy is informed that the F.B.I. wants an immediate investigation of the counterfeit thousand dollar bills that are being passed over the gambling tables at the casino.
Unfortunately the movie Heldorado is not yet available on HBO Max.
| Directing | William Witney | Director |
| Writing | Gerald Geraghty | Screenplay |
| Writing | Julian Zimet | Screenplay |
| Sound | R. Dale Butts | Music |
| Camera | William Bradford | Director of Photography |
| Editing | Lester Orlebeck | Editor |
| Art | Gano Chittenden | Art Direction |
| Art | John McCarthy Jr. | Set Decoration |
| Art | Earl Wooden | Set Decoration |
| Costume & Make-Up | Adele Palmer | Costume Design |
