The Narrow Margin
"A Fortune If They Seal Her Lips!...A Bullet If They Fail!"
A tough cop meets his match when he has to guard a gangster's widow on a train journey from Chicago to Los Angeles.


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)

Train Passenger (uncredited)

Restaurant Diner (uncredited)
Waiter (uncredited)
Tenant in Apartment House Hallway (uncredited)

Reporter (uncredited)
Waiter (uncredited)
Commuter at Train Station (uncredited)
Redcap (uncredited)

Taxi Driver (uncredited)
Waiter (uncredited)
Newsstand Owner (uncredited)

Train Conductor (uncredited)
Telegraph Attendant (uncredited)
Reporter (uncredited)

Train Passenger (uncredited)

Train Passenger (uncredited)
Porter (uncredited)

Redcap (uncredited)
Commuter at Train Station (uncredited)

Director
Screenplay
Editor
Producer
Director of Photography
Story
Story

Co-Director
Set Decoration
Sound

Art Direction
Art Direction
Costume Design
Sound
Assistant Director
Set Decoration
Stunt Double

Additional Music
Additional Music

Additional Music
Additional Music