乔尔·麦克雷
Joel McCrea
饰：Barry Corvall
布伦达·马歇尔
Brenda Marshall
饰：Brenda Ballard
杰弗瑞·林恩
Jeffrey Lynn
饰：Lowell Warrington
乔治·班克罗夫特
George Bancroft
饰：Dudley Garrett
斯坦利·里吉斯
Stanley Ridges
饰：Hamilton Peyton
詹姆斯·斯蒂芬森
James Stephenson
饰：Dr. Rader
霍华德·C·希克曼
Howard C. Hickman
饰：Walter Forbes (as Howard Hickman)
马丁·科斯莱克
Martin Kosleck
饰：Karl Mullen
娜娜·布莱恩特
Nana Bryant
饰：Mrs. Corvall
鲁道夫·安德斯
Rudolph Anders
饰：Paul Strawn (as Robert O. Davis)
汉斯·海因里希·冯·特尔瓦多夫斯基
Hans Heinrich von Twardowski
饰：Dr. Helm (as Hans Von Twardowski)
卢西恩·普里瓦尔
Lucien Prival
饰：Decker
艾迪生·理查兹
Addison Richards
饰：Bruce Corvall
Edwin Stanley
饰：Secretary of State
Granville Bates
饰：Phineas T. O'Grady
格蕾斯·海尔
Grace Hayle
饰：Mrs. O'Grady
埃贡·布雷赫尔
Egon Brecher
饰：Larsch
Emmett Vogan
饰：Instructor (as Emmet Vogan)
Enrique Acosta
饰：Geneva Restaurant Patron (uncredited)
埃迪·艾克夫
Eddie Acuff
饰：Minor Role (uncredited)
Louis Adlon
饰：Youth (uncredited)
Jimmy Aye
Jimmy Aye
饰：Geneva Restaurant Patron (uncredited)
Fern Barry
饰：American Tourist (uncredited)
Sven Hugo Borg
饰：Chauffeur (uncredited)
西德尼·布雷西
Sidney Bracey
饰：Ship Steward (uncredited)
James Carlisle
饰：Ball Guest (uncredited)
格伦·卡文德
Glen Cavender
饰：Man in O'Grady Crowd (uncredited)
Loia Cheaney
饰：American Tourist (uncredited)
詹姆斯·科纳蒂
James Conaty
饰：Ball Guest (uncredited)
Alice Connors
饰：American Tourist (uncredited)
乔治·戴维斯
George Davis
饰：Swiss Gendarme (uncredited)
Jean De Briac
饰：Waiter (uncredited)
萨拉·爱德华兹
Sarah Edwards
饰：Militant American Tourist (uncredited)
Christian J. Frank
饰：Minor Role (uncredited)
Arno Frey
饰：Foreign Officer (uncredited)
Frederick Giermann
饰：German Officer on Train (uncredited)
Eddie Graham
饰：Ball Guest (uncredited)
约翰·汉密尔顿
John Hamilton
饰：Code Room Instructor (uncredited)
Winifred Vera Emily Harris
饰：Lady Ashford (uncredited)
约翰·哈伦
John Harron
饰：American Tourist (uncredited)
斯图尔特·霍姆斯
Stuart Holmes
饰：American Tourist (uncredited)
威廉姆·霍珀
William Hopper
饰：Student (uncredited)
乔治·欧文
George Irving
饰：State Department Official (uncredited)
塞尔默杰克逊
Selmer Jackson
饰：Instructor (uncredited)
威廉·考夫曼
Willy Kaufman
饰：Straubel (uncredited)
格伦·兰甘
Glenn Langan
饰：Student (uncredited)
薇拉·刘易斯
Vera Lewis
饰：American Tourist Going to Desert (uncredited)
Rolf Lindau
饰：Foreign Agent (uncredited)
Frederick Lindsley
饰：Announcer (uncredited)
Al Lloyd
饰：American Tourist (uncredited)
Tony Martelli
Tony Martelli
饰：Geneva Bartender (uncredited)
Chris-Pin Martin
饰：Tunisian Guard (uncredited)
Billy McClain
饰：Manservant at Ball (uncredited)
Robert Middlemass
饰：Militant American Tourist (uncredited)
哈罗德·米勒
Harold Miller
饰：Ball Guest (uncredited)
杰克·莫厄尔
Jack Mower
饰：Man Opening Door (uncredited)
Wendell Niles
饰：Radio Announcer Introducing Garrett (uncredited)
乔治·里弗斯
George Reeves
饰：Warrington's Secretary (uncredited)
John J. Richardson
John J. Richardson
饰：Man in O'Grady Crowd (uncredited)
西里尔·环
Cyril Ring
饰：Spectator at Dart Throwing (uncredited)
Lionel Royce
饰：Hoffmeyer (uncredited)
Milton Royce
Milton Royce
饰：Ball Guest (uncredited)
Sally Sage
饰：American Tourist (uncredited)
Alexander Schoenberg
饰：Man at Canteen (uncredited)
Ferdinand Schumann-Heink
饰：Train Conductor (uncredited)
Hans Schumm
饰：Foreign Official (uncredited)
Lester Sharpe
饰：German Officer on Train (uncredited)
伯特史蒂文斯
Bert Stevens
饰：Student (uncredited)
Don Turner
饰：Pilot with Map (uncredited)
Dorothy Vaughan
饰：Stout Woman Bumped by Garrett (uncredited)
Henry Victor
饰：Foreign Official (uncredited)
Frederick Vogeding
饰：Friend of Müller (uncredited)
Wilhelm von Brincken
饰：Foreign Official (uncredited)
内拉·沃克
Nella Walker
饰：Mrs. Peyton (uncredited)
Lottie Williams
饰：American Tourist Wanting Boat Out (uncredited)
威廉·沃辛顿
William Worthington
饰：Instructor in Montage (uncredited)
Wolfgang Zilzer
饰：Heinrich (uncredited)
Henry Zynda
饰：Guard (uncredited)
Frederick Lindsley
杰克·理查森
Jack Richardson