| Original title | The Creeping Flesh | 
|---|---|
| Danish title | Rædsels-klinikken | 
| Leikstjórn | Freddie Francis | 
| Screenplay | Peter Spenceley, Jonathan Rumbold | 
| Director of Photography | Norman Warwick | 
| Editor | Oswald Hafenrichter | 
| Composer | Paul Ferris | 
| Appearance | Christopher Lee, Peter Cushing, Lorna Heilbron | 
| Land | Storbritannien | 
| Domestic distribution | Regina | 
| Danish theatrical release | 14.10.1974 | 
| Cinemas | City | 
      Companies | 
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| Production company | Tigon British Film Productions | 
| Domestic distribution | Regina | 
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      Instruktion | 
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| Instruktion | Freddie Francis | 
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      Manus | 
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| Manus | Peter Spenceley | 
| Manus | Jonathan Rumbold | 
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      Produktion | 
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| Produktion | Michael Redbourn | 
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      Foto | 
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| Foto | Norman Warwick | 
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      Klip | 
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| Klip | Oswald Hafenrichter | 
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      Musik | 
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| Musik | Paul Ferris | 
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      Medvirkende | 
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| Medvirkende | Christopher Lee | 
| Medvirkende | Peter Cushing | 
| Medvirkende | Lorna Heilbron | 
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