奥黛丽·赫本
Audrey Hepburn
饰：Elizabeth Roffe
本·戈扎那
Ben Gazzara
饰：Rhys Williams
詹姆斯·梅森
James Mason
饰：Sir Alec Nichols
克劳迪亚·莫里
Claudia Mori
饰：Donatella
艾琳·帕帕斯
Irene Papas
饰：Simonetta Palazzi
米雪·菲利普斯
Michelle Phillips
饰：Vivian Nichols
莫里斯·荣内特
Maurice Ronet
饰：Charles Martin
罗密·施奈德
Romy Schneider
饰：Helene Martin
奥玛·沙里夫
Omar Sharif
饰：Ivo Palazzi
比阿特丽斯·斯特雷特
Beatrice Straight
饰：Kate Erling
杰特·弗罗比
Gert Fröbe
饰：Inspector Max Hornung
马塞尔·博祖菲
Marcel Bozzuffi
饰：Man in Black
Pinkas Braun
Pinkas Braun
饰：Dr. Wal
伊凡·德斯尼
Ivan Desny
饰：Jeweller
维蒂姆·格洛纳
Vadim Glowna
饰：Dr. Joeppli
沃尔夫冈·普莱斯
Wolfgang Preiss
饰：Julius Prager
Maurice Colbourne
饰：Jon Swinton
Wulf Kessler
Wulf Kessler
饰：Young Sam Rolfe
盖伊·罗尔夫
Guy Rolfe
饰：Tod Michaels
Walter Kohut
饰：Krauss
唐纳德·赛明顿
Donald Symington
饰：Henley
Charles Millot
饰：Commissaire Bloche
汉斯·范·柏尔松迪
Hans von Borsody
饰：Peasant Guard
Derrick Branche
饰：Chemin-de-fer Player
Klaus Guth
饰：演员 Actor/Actress
达·范·汉森德
Dan van Husen
饰：Cameraman
Frederick Ledebur
Frederick Ledebur
饰：Innkeeper
Franziska Stömmer
饰：Innkeeper
伊夫·巴萨克
Yves Barsacq
饰：Bookseller
科西莫·奇涅里
Cosimo Cinieri
饰：Officer at Rome Airport
Raymonde Carole Fouano
饰：Ivo's Secretary
Reinhard Glemnitz
饰：Roffe Chauffeur
贝尔纳·拉雅里热
Bernard La Jarrige
饰：Butler
迈克蒙蒂
Mike Monty
饰：Strangler
沃琳咖·哈德丽曼
Olinka Hardiman
饰：Murder Victim (scenes deleted)
埃莉诺·梅尔泽
Eleonore Melzer
饰：3rd Murder Victim (as Eleanor Melzer)
加比利艾尔·费泽蒂
Gabriele Ferzetti
饰：Maresciallo Campagna (uncredited)
Barrie Holland
Barrie Holland
饰：Croupier (uncredited)
Dietlinde Turban
饰：Terenia
莱斯利·桑兹
Leslie Sands
饰：Doctor
Lisa Woska
饰：Mrs. Wal
Peer Brensing
饰：1st Roffe Guard
Peter Dirschauer
Peter Dirschauer
饰：2nd Roffe Guard
Stefano Galantucci
饰：Helicopter Pilot
Vincenzo Galli-Zugaro
Francesco Galli-Zugaro
Dario Galli-Zugaro
Allessandra Imperiali
Elena Imperiali
Michaela Imperiali
Lothar Mann
Lothar Mann
饰：Truck Driver
Gerry Ramm
饰：Commissaire
弗朗哥·玛利亚·萨拉蒙
Franco Maria Salamon
饰：Shooter (as Franco Salomon)
Valerie Danielle Perri
乌苏拉·布菲尔娜
Ursula Buchfellner
饰：Murder Victim (scenes deleted)
Brigitte Döllerer
饰：1st Murder Victim (as Brigitte Dollerer)
Roberta Gibbs
饰：Murder Victim (scenes deleted)
Milda Jansen
饰：2nd Murder Victim
Josef Fröhlich
Josef Fröhlich
饰：Interpol Officer
弗里德里希·冯·莱德布
Friedrich von Ledebur
饰：演员 Actor/Actress
Carole Fouanon
Carole Fouanon
饰：Ivo's Secretary