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