Vienna, 1956. After Soviet tanks crush the Hungarian uprising, soldier-of-fortune Michael Reynolds is hired to help a threatened Hungarian scientist escape from Budapest.
| Actor | Role |
|---|---|
 Richard WidmarkMichael Reynolds | Michael Reynolds |
 Sonja ZiemannJulia | Julia |
 Charles RegnierThe Count | The Count |
 Walter RillaJancsi | Jancsi |
 Senta BergerElsa | Elsa |
 Howard VernonColonel Hidas | Colonel Hidas |
 Heinz MoogMinister Sakenov | Minister Sakenov |
 Hubert von MeyerinckSheffler | Sheffler |
| OOskar WegrostekThe Fat Man | The Fat Man |
 Stefan SchnabelBorder Official | Border Official |
 Elisabeth Neumann-ViertelOlga | Olga |
| HHelmut JanatschJanos | Janos |
 John HorsleyJon Brainbridge | Jon Brainbridge |
 Walter WilzPeter | Peter |
 Raoul RetzerSpecial Agent | Special Agent |
| GGeorg KöváryLanguage Professor | Language Professor |
 Ady BerberSandor | Sandor |
 Jochen BrockmannThe Commandant | The Commandant |
| BBrigitte BrunmüllerWaitress | Waitress |
 Reinhard KolldehoffThe Count's Man | The Count's Man |
| RRudolf RössnerThe Count's Man | The Count's Man |