Directed by
| Adrian Hoven | ... | (as Percy G. Parker) |
Writing Credits (in alphabetical order)
| Jesús Franco | ... | (story) (uncredited) |
| Adrian Hoven | ... | (as Percy G. Parker) |
| Adrian Hoven | ... | (screenplay) (as Percy G. Parker) |
| Eric Martin Schnitzler | ... | (screenplay) |
| Eric Martin Schnitzler | ... | (writer) |
| William Shakespeare | ... | (play) (uncredited) |
Cast (in credits order) verified as complete
| Janine Reynaud | ... | Vera Lagrange | |
| Howard Vernon | ... | Graf von Saxon | |
 |
Elvira Berndorff | ... | Elena Lagrange |
| Claudia Butenuth | ... | Marion von Kassell / Katharina von Saxon | |
| Jan Hendriks | ... | Georg von Kassell | |
| Michel Lemoine | ... | Baron Brack | |
| Vladimir Medar | ... | Alecos | |
| Rest of cast listed alphabetically: | |||
|
|
Pier A. Caminnecci | ... | Roger de la Valiere (uncredited) |
| Adrian Hoven | ... | Georg von Kassell (voice) (uncredited) | |
|
|
Ernst Steinlechner | ... | Reaper on the Horse (uncredited) |
Produced by
| Pier A. Caminnecci | ... | producer |
| Adrian Hoven | ... | producer |
Music by
| Jerry van Rooyen | ||
Cinematography by
| Jorge Herrero | ||
| Franz Hofer | ||
Art Direction by
| Nino Borghi | ||
Production Management
| Ernst Steinlechner | ... | production manager |
Music Department
| Eugen Cicero | ... | soloist |
