| Original title | Fear Is the Key |
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| Danish title | Frygten er mit våben |
| Leikstjórn | Michael Tuchner |
| Land | Storbritannien |
| Domestic distribution | Palladium |
| Danish theatrical release | 08.08.1973 |
| Cinemas | Palladium |
| TV release | 23.12.1990, TV 2 |
Companies |
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| Production company | KLK Productions |
| Domestic distribution | Palladium |
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Instruktion |
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| Instruktion | Michael Tuchner |
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