A US agent is supposed to find out details about a missile base in Siberia. The mission fails, although the American remains alive thanks to the help of a Russian woman.
| Actor | Role |
|---|---|
 Thomas HunterFrank Heller | Frank Heller |
 Marie VersiniLudmilla Barankova | Ludmilla Barankova |
 Ivan DesnyColonel Kirk | Colonel Kirk |
| RRolf BoysenKarpuchin | Karpuchin |
 Hellmut LangeCaptain Jimmy Braddock | Captain Jimmy Braddock |
 Christiane NielsenTanja | Tanja |
 Rudolf SchündlerNot listed | Not listed |
 Henning SchlüterNot listed | Not listed |
 Kurd PieritzKusnezoff | Kusnezoff |
 Stanislav LedinekColonel Karpuchin | Colonel Karpuchin |
| BBiggi FreyerMarta Barinskaya | Marta Barinskaya |
| WWalter BarnesJurij | Jurij |
 Magda KonopkaBibi Randall | Bibi Randall |
 Sandra PrinslooNadja | Nadja |
 Marius WeyersMarkjoff | Markjoff |