Release Info
Release Dates
| USA | 13 June 1973 | (New York City, New York) |
| Finland | 15 March 1974 | |
| West Germany | 14 August 1974 | |
| Denmark | 26 December 1974 | |
| Portugal | 3 June 1976 |
Also Known As (AKA)
| Asesino, asesino | Mexico (poster title) |
| Bis die Gänsehaut erstarrt | West Germany |
| Hotellimurhat | Finland |
| Le palace de l'horreur | Belgium (French title) |
| Morderen foretrækker blondiner | Denmark (imdb display title) |
| O Fantasma do Grande Hotel | Portugal (imdb display title) |
| Perversidad | Spain |
| Sadist | Turkey (Turkish title) |
| Ta matia tou tromou | Greece (imdb display title) |
