Trailer
 | Charles Regnier as Peter Finbow |
 | Axel von Ambesser as Ian Capel |
 | Hannelore Elsner as Avice Lorring |
 | Giulia Follina as Tonia Gilmour |
| Volkert Kraeft as William Garnett |
 | Jochen Busse as Christopher Tarrent |
 | Lina Carstens as Elisabeth Tufts |
| Carlos Werner as Roger Mills |
 | Gerd Baltus as Sergeant Birrell |
 | Axel Scholtz as Sergeant Frazer |
 | Wolfgang Weiser as Dr. Parfitt |
| Oswald Döpke as Professor Boothby |
| Herbert Steinmetz as Inspector Allen |
| Ulrich Gressieker as Philip Wade |
| Directing | |
| Oswald Döpke | Director |
Production | |
| Wolf Schwarz | Producer |
Art | |
| Heinz Eickmeyer | Production Design |
Production | |
| Peter Schweiger | Production Manager |
Sound | |
| Karsten Ullrich | Sound |
Writing | |
| C.P. Snow | Novel |
Camera | |
| Gernot Roll | Director of Photography |
Writing | |
| Peter Pauker | Teleplay |
Production | |
| Wolfgang Baecker | Producer |
Directing | |
| Peter Pauker | Assistant Director |
Editing | |
| Alice Seedorf | Editor |
Costume & Make-Up | |
| Franz Göbel | Makeup Artist |
| Hedi Obermaier | Makeup Artist |
Sound | |
| Erich Ferstl | Original Music Composer |
Costume & Make-Up | |
| Nikola Hoeltz | Costume Design |
