L'Énigme du Chicago Express
Deux amis policiers sont chargés d'accompagner à un procès Mrs. Neall, la veuve d'un gangster notoire.
Det. Sgt. Walter Brown
Mrs. Frankie Neall
Ann Sinclair
Tommy Sinclair
Mrs. Troll
Joseph Kemp
Densel
Det. Sgt. Gus Forbes
Sam Jennings
Train Conductor
Vincent Yost (uncredited)
Accomplice Running Newsstand (uncredited)
Train Passenger (uncredited)
Det. Wilson (uncredited)
Tenant (uncredited)
Officer Allen (uncredited)
Restaurant Diner (uncredited)
