Hop Harrigan: America's Ace of the Airways

Hop Harrigan, a top Air Corps pilot, leaves the military and he and his mechanic, Tank Tinker, open up a small charter air service. They are hired to fly an inventor, Dr. Tabor, to his secret laboratory, where he is working on a new and powerful energy machine. However, a mysterious villain named The Chief Pilot is determined to have the new energy machine for his own purposes and kidnaps Dr. Tabor.

• 
  William Bakewell

  Hop Harrigan
• 
  Jennifer Holt

  Gail Nolan
• 
  Robert "Buzz" Henry

  Jackie Nolan
• 
  Sumner Getchell

  Tank Tinker
• 
  Emmett Vogan

  J. Westly Arnold
• 
  Claire James

  Gwen Arnold
• 
  John Merton

  Dr. Tobor
• 
  Wheeler Oakman

  Alex Ballard
• 
  Ernie Adams

  Retner