"WARNING TO CROOKS...DON'T FOOL WITH THE U. S. MAIL!"
Investigators set out to capture a gang of thieves transporting stolen cash through the U.S. mail.
Edward KillyDirector
Tom Mallory
Doris Martin
Jane Turner
Jerry Turner
Banks
Phil Crowley
Ruby Winston
Babe
Marge Sanders
Walter Davies
Eddie Parsons (uncredited)
Extra in Elevator (uncredited)
Arizona Sheepman (uncredited)
Landlady (uncredited)
Crowley's Henchman (uncredited)
Postal Clerk (uncredited)
Henchman (uncredited)
Davies' Secretary (uncredited)
Ferris - Postal Inspector (uncredited)
Lansing - Postal Chief (uncredited)
Mike - Plainclothesman (uncredited)
John Taylor (uncredited)
Parsons' Driver (uncredited)
Henchman Dutch Emory (uncredited)
Henchman Glen (uncredited)
Agent with Window Shade (uncredited)
Girl (uncredited)
Agent Stevens (uncredited)
Joe - Lansing's Assistant (uncredited)
Detective (uncredited)
Norris' Secretary (uncredited)
Bellhop Getting Stamps (uncredited)
Magee (uncredited)
Andrew Norris (uncredited)
Spumoni - Dog Catcher (uncredited)
