In a complex piece of espionage the Russian secret service attempts to kidnap a high ranking officer in the CIA and replace him with a one of its own.
| Actor | Role |
|---|---|
 Yul BrynnerDan Slater / Kalmar | Dan Slater / Kalmar |
 Britt EklandGina | Gina |
 Clive RevillFrank Wheatley | Frank Wheatley |
 Anton DiffringCol. Berthold | Col. Berthold |
 Moira ListerMrs. Carrington | Mrs. Carrington |
 Lloyd NolanEdwards | Edwards |
 George MikellMax Gruner | Max Gruner |
| BBrandon BradyGregori | Gregori |
 Julia ArnallAnna Wheatley | Anna Wheatley |
 David BauerAndrew Miller | Andrew Miller |
 Ronald RaddRussian General | Russian General |
 Kenneth J. WarrenPolice Chief | Police Chief |
 David HealyHalstead | Halstead |
 Carl JaffePolice Surgeon | Police Surgeon |
 Douglas MuirWilfred | Wilfred |
 Frederick SchillerTicket Seller | Ticket Seller |
 Ernst WalderFrischauer | Frischauer |