Pit of Darkness
- Anno: 1961
- Nazione: United Kingdom
- Genere: Crime, Thriller
- Studio: Butcher's Film Service
- Parola chiave: amnesia, based on novel or book, safe, private detective
- Direttore: Lance Comfort
- Cast: William Franklyn, Moira Redmond, Bruno Barnabe, Leonard Sachs, Nigel Green, Nanette Newman