| Person | Type | Job | Role(s) |
|---|---|---|---|
 Don Taylor | Crew | Directing | Director |
 Jack DeWitt | Crew | Writing | Writer |
Robert L. Joseph | Crew | Writing | Writer |
Sandy Howard | Crew | Writing | Writer |
 Al Hoosmann | Cast | Police Sergeant (as Al Hoosman) | |
 Alexander Hegarth | Cast | Actor | Brügger |
 Arthur Brauss | Cast | Actor | Insurance Company Employee (uncredited) |
 Carroll Baker | Cast | Actress | Carroll Baker |
 Eduard Linkers | Cast | Actor | Geisling |
 George Hamilton | Cast | Actor | Jeffrey Hill |
 Joseph Cotten | Cast | Actor | Ace |
 Karl Lieffen | Cast | Actor | Helmut |
 Lilli Palmer | Cast | Actress | Lilli Palmer |
 Marie Laforêt | Cast | Actress | Olga Vodkine (as Marie Laforet) |
 Maurice Evans | Cast | Actor | Nicolai Vodkine |
 Monika Zinnenberg | Cast | Actress | Ticket Agent at Airport (uncredited) |
Philip Roye | Cast | New York Police Sergeant (uncredited) | |
 Robert Naegele | Cast | Actor | Ticket Agent at Airport (uncredited) |
Udo N. von Tyrol | Cast | French Policeman (uncredited) | |
 Wolfgang Preiss | Cast | Actor | Wilhelm Von Schenk |
 Zsa Zsa Gabor | Cast | Actress | Zsa Zsa Gabor |
Charlie Hickman | Cast | Actor | Lieutenant Gilder (as Chaz Hickman) |
Bob Cheslock | Cast | Kauffmann | |
| Person | Type | Job | Role(s) |
