Release Dates
| USA | 19 October 1966 | (New York City, New York) |
| UK | 28 October 1966 | |
| West Germany | 5 January 1967 | |
| Spain | 26 March 1967 | (Madrid) |
| Ireland | 14 April 1967 | |
| Mexico | 20 April 1967 | |
| Denmark | 21 August 1967 | |
| Norway | 30 September 1968 | (Oslo) |
| Finland | 10 November 2008 | (TV premiere) |
Also Known As (AKA)
| Belgium (Flemish title) | De gruwel kamer |
| Belgium (French title) | La chambre des horreurs |
| Brazil (cable TV title) | A Câmara dos Horrores |
| Brazil | Um Casamento Macabro |
| Denmark | Rædselskabinettet |
| Spain | La cámara de los horrores |
| Finland (TV title) | Yksikätinen murhaaja |
| France | La chambre des horreurs |
| Greece (transliterated ISO-LATIN-1 title) | O strangalistis me to siderenio heri |
| Italy | Lo strangolatore di Baltimora |
| Mexico | Cámara de horror |
| Portugal | O estrangulador de Baltimore |
| West Germany | Die Schreckenskammer |
