| Original title | The Oblong Box |
|---|---|
| Danish title | Fortiden hævner |
| Leikstjórn | Gordon Hessler |
| Land | Storbritannien |
| Domestic distribution | Athena Film |
| Danish theatrical release | 09.02.1970 |
| Cinemas | Nørreport Bio |
Companies |
|
| Production company | American International Pictures |
| Domestic distribution | Athena Film |
|
|
|
Instruktion |
|
| Instruktion | Gordon Hessler |
|
|
|