William Eythe
— Johnny Douglas
Kasey Rogers
— Lucille Peters (as Laura Elliot)
George Reeves
— Paul Devereaux
Paul Valentine
— Edmond Devereaux
Tom Powers
— Chief Special Agent Wilcox
Carole Mathews
— Rose McCreary
Frank Puglia
— Grandfather Devereaux
Virginia Christine
— Mabel Rumpler
Raymond Bond
— Sheriff Babcock
John Hart
— Ranch Foreman Frank Kent (as John Hilton)
Truman Bradley
— Narrator (voice)
Walter Baldwin
— Pop Peters (uncredited)
John Butler
— Sam McCreary - Barber (uncredited)
Frank Cady
— Motorist (uncredited)
Morgan Farley
— Dr. Jerome Bowen (uncredited)
Mary Field
— Miss Tannehill - Librarian (uncredited)
Alex Frazer
— Book Store Proprietor (uncredited)
Joseph Granby
— Sheriff Dodson (uncredited)
James Griffith
— Candy Vendor on Train (uncredited)
Paul Harvey
— Mr. Travis - Rancher (uncredited)
Thomas Browne Henry
— Detective Benton (uncredited)
Jimmy Hunt
— Tim Rumpler (uncredited)
Peter Miles
— Jake Rumpler Jr (uncredited)
William H. O'Brien
— Barber's Customer (uncredited)
Lee Roberts
— Joe - Train Brakeman (uncredited)
Fred Santley
— Hardware Store Proprietor (uncredited)
Walter Soderling
— Dan Simmons - Mail Car Clerk (uncredited)
Arthur Stone
— Tad Miller (uncredited)
Harry Tenbrook
— Logger (uncredited)
Robert B. Williams
— Railroad Supt. Phil Olmstead (uncredited)