| Release Date | November 14, 1971 | |
|---|---|---|
| Status | Released | |
| Original Title | La Plus Longue Nuit du Diable | |
| Runtime | 1h 35min | |
| Budget | — | |
| Revenue | — | |
| Language | French | |
| Original Language | French | |
| Production Countries | Belgium, Italy | |
| Production Companies | Cetelci S.A.Delfino Film | |