• 
  Barney A. Sarecky

  scenarist

• 
  Ken Maynard (I)

  Ken Williams
• 
  Verna Hillie

  Jane Corwin
• 
  Syd Saylor

  Breezy Baker
• 
  Edward Earle

  Frank Blayden
• 
  Hooper Atchley

  Dr. Edwards
• 
  Edward Hearn

  Lake
• 
  Al Bridge

  Tom Henderson

• 
  Bob Kortman

  Hank - Rattler Henchman
• 
  George Chesebro

  Anderson - Rattler Henchman
• 
  Tom London

  Morgan - Rattler Henchman
• 
  Lynton Brent

  Mathews - Telegrapher
• 
  Bob Clayton

  Thomas - Teamster [Ch. 6, 7]
• 
  Don Brodie
• 
  Smiley Burnette

• 
  Steve Clark
• 
  Edmund Cobb
• 
  Jim Corey
• 
  Dick Dickinson
• 
  Curley Dresden
• 
  Frank Ellis
• 
  William Gould
• 
  Al Haskell
• 
  Carmencita Johnson
• 
  Jack Low
• 
  Sam Lufkin
• 
  Jim Mason
• 
  Philo McCullough
• 
  Jack Rockwell
• 
  Lee Shumway
• 
  Hal Taliaferro
• 
  Slim Whitaker

• 
  J.P. Miller

  imagine