Movie
O'Brien is "Whispering" Smith, so named because he speaks softly but knows how to fend for himself. The son of a railroad president, Smith is determined to learn the business from the ground up, so he gets a job as a track walker for his dad's rail line. While going about his duties, he meets Nan Roberts (Irene Ware), who is about to sell her Colorado ranch. Smith finds out that there are valuable tungsten deposits on her land and makes certain she won't be cheated by the villains
Gordon Harrington, Jr. aka John 'Whispering' Smith
Nan Roberts
J. Wesley Hunt
Mrs. Roberts
Cal Stone
Bill Prouty
Rebstock
Gordon Harrington, Sr.
Blake
C. Luddington Colfax
Harrington Office Worker (uncredited)
Secretary (uncredited)
Conductor (uncredited)
Oiler (uncredited)
Caboose Passenger (uncredited)
Denver Police Chief (uncredited)