理查德·韦德马克
Richard Widmark
饰：Lieutenant Commander Dr. Clinton 'Clint' Reed U.S. Public Health
保罗·道格拉斯
Paul Douglas
饰：New Orleans Police Captain Tom Warren
芭芭拉·贝尔·戈迪斯
Barbara Bel Geddes
饰：Nancy Reed
杰克·帕兰斯
Jack Palance
饰：Blackie (as Walter Jack Palance)
泽罗·莫斯苔
Zero Mostel
饰：Raymond Fitch
Dan Riss
饰：Neff, Newspaper Reporter
汤米·库克
Tommy Cook
饰：Vince Poldi, Younger Brother
Lewis Charles
饰：Kochak, murder victim (uncredited)
Darwin Greenfield
饰：Violet (uncredited)
伊利亚·卡赞
Elia Kazan
饰：Mortuary Assistant (uncredited)
Tiger Joe Marsh
饰：Bosun on Nile Queen (uncredited)
埃米尔·迈耶
Emile Meyer
饰：Captain Beauclyde, Master of Nile Queen (uncredited)
亚历克斯·米诺蒂斯
Alex Minotis
饰：John Mefaris, Restaurant Owner (uncredited)
伦卡·彼得森
Lenka Peterson
饰：Jeanette (uncredited)
Tommy Rettig
饰：Tommy Reed (uncredited)
Guy Thomajan
饰：Poldi, Blackie's Flunky (uncredited)
H.T. Tsiang
饰：Cook on Nile Queen (uncredited)
Pat Walshe
饰：Pat (uncredited)
Wilson Bourg Jr.
饰：Charlie, Sailor (uncredited)
Beverly C. Brown
饰：Dr. Mackey, New Orleans Board of Health (uncredited)
Herman Cottman
饰：Officer Scott, Police Lab (uncredited)
William A. Dean
饰：Cortelyou (uncredited)
Robert Dorsen
饰：Coast Guard Lieutenant (uncredited)
George Ehmig
饰：Kleber, Medical Examiner Technician (uncredited)
H. Waller Fowler Jr.
饰：New Orleans Mayor Murray (uncredited)
Paul Hostetler
饰：Lieutenant Dr. Paul Gafney, Public Health Service (uncredited)
Edward Kennedy
饰：Jordan (uncredited)
Mary Liswood
饰：Angie Fitch, Raymond's Wife (uncredited)
Henry Mamet
饰：Anson (uncredited)
Ruth Moore Mathews
饰：Mrs. Dubin (uncredited)
Red Moad
饰：Wynant (uncredited)
Ray Müller
饰：Dubin (uncredited)
Waldo Pitkin
饰：Ben (uncredited)
Stanley J. Reyes
饰：Redfield (uncredited)
John Schilleci
饰：Lee (uncredited)
Aline Stevens
饰：Mrs. Rita Mefaris (uncredited)
Al Theriot
饰：Al (uncredited)
Arthur Tong
饰：Lascar Boy on Nile Queen (uncredited)
Irving Vidacovich
饰：Johnston (uncredited)
Juan Villasana
饰：Hotel Proprietor (uncredited)
Val Winter
饰：Commissioner Dan Quinn (uncredited)
Leo Zinser
饰：Sergeant Phelps (uncredited)