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)

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