Movie
1974 Psychological thriller
1h 45min
| Original title | Ein Unbekannter rechnet ab |
| Original lang. | German, Italian, Spanish, English, French |
| Country | Italy/France/Spain |
| Directed by | Peter Collinson |
| Written by | Harry Alan Towers, Agatha Christie, Erich Kröhnke, Enrique Llovet |
| Company | AVCO Embassy PicturesAGS VidéoAGS Vidéo |