Directed by
| Ákos Ráthonyi | ... | (as Akos von Ratony) |
Writing Credits (in alphabetical order)
| Kurt Roecken | ... | (original screenplay) (as C.V. Rock) |
| Ákos Ráthonyi | ... | (uncredited) |
Cast (in credits order)
| Adrian Hoven | ... | Insp. Frank Dorin | |
| Erika Remberg | ... | Maria, the house maid | |
| Carl Möhner | ... | The Village Doctor | |
| Wolfgang Preiss | ... | Prof. von Adelsberg | |
| Karin Field | ... | Karin Schumann, the Professor's Assistant | |
 |
Emmerich Schrenk | ... | Thomas - the Deaf One |
| John Kitzmiller | ... | John - Black Servant | |
| Rest of cast listed alphabetically: | |||
|
|
Laci Cigoj | ||
|
|
Vida Juvan | ||
|
|
Stane Sever | ||
|
|
Tito Strozzi | ||
|
|
Danilo Turk | ||
Produced by
| Ákos Ráthonyi | ... | producer |
Music by
| Herbert Jarczyk | ||
Cinematography by
| Hrvoje Saric | ||
Editing by
| Klaus Dudenhöfer | ||
Production Design by
| Ivan Pengow | ... | (as Ivan Pengov) |
Costume Design by
| Milena Kumar | ||
Makeup Department
| Irmgard Förster | ... | makeup artist (as Irmgard Forster) |
Sound Department
| F. Jurjec | ... | sound |
Camera and Electrical Department
| S. Pavlovcic | ... | assistant camera |
Editorial Department
| Iris Roesl | ... | assistant editor |
Additional Crew
| Richard Gordon | ... | presenter (English language version) |
| Klaus W. Krause | ... | voice dubbing: Laci Cigof (uncredited) |
| Werner Lieven | ... | voice dubbing: Stane Sever (uncredited) |
| Kurt E. Ludwig | ... | voice dubbing: John Kitzmiller (uncredited) |
| Marisa Mell | ... | voice dubbing: Karin Field (uncredited) |
