Directed by
| Günter Gräwert | ||
Writing Credits (in alphabetical order)
| Stefan Gommermann | ... | (writer) |
| Werner P. Zibaso | ||
Cast (in credits order)
| Maria Schell | ... | Beate Dehn | |
| Karl Michael Vogler | ... | Klaus Hartmann | |
| Nadia Gray | ... | Mrs. Button (as Nadja Grey) | |
| Robert Graf | ... | Dr. Wiesmer / Ping | |
 |
Leonard Steckel | ... | Dehn |
| Ernst Fritz Fürbringer | ... | Hartmann | |
| Louise Martini | ... | Charlotte | |
| Horst Tappert | ... | Krause | |
|
|
Alexander May | ... | Professor Newman |
|
|
Wilmut Borell | ... | Hotellportier |
|
|
E.O. Fuhrmann | ... | Mr. Hawkins |
| Rest of cast listed alphabetically: | |||
| Uta Levka | ... | Extra (uncredited) | |
Music by
| Bert Grund | ||
Cinematography by
| Klaus Beckhausen | ||
| Karl Schröder | ||
Editing by
| Werner Preuss | ||
Production Design by
| Werner Achmann | ||
| Maleen Pacha | ||
Second Unit Director or Assistant Director
| Eberhard Schröder | ... | assistant director |
