During the Cold War, an American scientist appears to defect to East Germany as part of a cloak and dagger mission to find the formula for a resin solution, but the plan goes awry when his fiancee, unaware of his motivation, follows him across the border.
Paul Newman
as Michael Armstrong
Julie Andrews
as Sarah Sherman
Lila Kedrova
as Countess Kuchinska
Hansjörg Felmy
as Heinrich Gerhard
Tamara Toumanova
as Ballerina
Ludwig Donath
as Gustav Lindt
Wolfgang Kieling
as Hermann Gromek
Günter Strack
as Karl Manfred
David Opatoshu
as Mr. Jacobi
Gisela Fischer
as Dr. Koska
Mort Mills
as Farmer
Carolyn Conwell
as Farmer's Wife
