Smith is an iron-willed railroad detective. When his friend Murray is fired from the railroad and begins helping Rebstock wreck trains, Smith must go after him. He also seems to have an interest in Murray's wife (and vice versa).
Whispering Smith
Murray Sinclair
Marian Sinclair
Barney Rebstock
Bill Dansing
Emmy Dansing
Blake Barton
Whitey Du Sang
George McCloud
Leroy Barton
Bill Baggs
Sheriff McSwiggin
Dr. Sawbuck
Conductor
Brakeman
Karg
Seagrue
Gabby Barton
Waiter (uncredited)
Woody, Train Brakeman (uncredited)
Telegrapher at Coyete Creek (uncredited)
Wrecking Crew Member (uncredited)
Frank - Wrecking Crew Member (uncredited)
Train Engineer (uncredited)
