Richard Widmark
Lt. Cmdr. Clinton 'Clint' Reed M.D.
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)
Robert Dorsen
Coast Guard Lieutenant (uncredited)
George Ehmig
Kleber - Medical Examiner Technician (uncredited)
H. Waller Fowler Jr.
Mayor Murray (uncredited)
Paul Hostetler
Lt. Paul Gafney M.D. - Public Health Service (uncredited)
Elia Kazan
Cleaver - Mortuary Assistant (uncredited)
Mary Liswood
Angie Fitch - Raymond's Wife (uncredited)
Tiger Joe Marsh
Bosun on Nile Queen (uncredited)
Emile Meyer
Capt. Beauclyde - Master of Nile Queen (uncredited)
Alex Minotis
John Mefaris - Restaurant Owner (uncredited)
Lenka Peterson
Jeanette - Charlie's Girlfriend (uncredited)
Guy Thomajan
Poldi - Blackie's Flunky (uncredited)
Arthur Tong
Lascar Boy on Nile Queen (uncredited)
H.T. Tsiang
Cook on Nile Queen (uncredited)
Juan Villasana
Hotel Proprietor (uncredited)
Pat Walshe
Pat - Newspaper Peddler (uncredited)
Val Winter
Commissioner Dan Quinn (uncredited)
Aline Stevens
Rita Mefaris (uncredited)