Myndigheterna i New Orleans jagar gangstrar som smittats av lungpest utan att veta om det.
Richard Widmark
Lt. Cmdr. Clinton 'Clint' Reed M.D.
Paul Douglas
Capt. Tom Warren
Barbara Bel Geddes
Nancy Reed
Jack Palance
Blackie
Zero Mostel
Raymond Fitch
Dan Riss
Neff - Newspaper Reporter
Tommy Cook
Vince Poldi - Younger Brother
Wilson Bourg Jr.
Charlie - Sailor (uncredited)
Beverly C. Brown
Dr. Mackey - Board of Health (uncredited)
Lewis Charles
Kochak - Murder Victim (uncredited)
Herman Cottman
Officer Scott - Police Lab (uncredited)
John David
Fruit Salesman (uncredited)
William A. Dean
Cortelyou (uncredited)
Robert Dorsen
Coast Guard Lieutenant (uncredited)
