William Boyd as Ranger William "Hopalong" Cassidy

Andy Clyde as Ranger "California" Carlson

Jimmy Rogers as Ranger Jimmy Rogers

Frances Woodward as Sue Mason

Anthony Warde as "Gunner" Madigan

William Halligan as Simon Crandall

Richard Crane as Tim Mason

Herbert Rawlinson as Ranger Captain Jennings

Robert Mitchum as Lead Henchman Drago

Hugh Prosser as Sheriff Gilchrist

Jack Rockwell as Henchman Tex

Earle Hodgins as Sourdough

Montie Montana as Ranger Private Calhoun (or Kelton)

Pierce Lyden as Henchman

Herman Hack as Henchman

Art Felix as Henchman

Roy Bucko as Ranger Extra

Ray Jones as Ranger Extra

Cliff Parkinson as Ranger Extra

Bob Walker as Ranger Extra