Release Info
Release Dates
| USA | 7 April 1960 | |
| Sweden | 29 August 1960 | |
| Denmark | 11 October 1960 | |
| Finland | 3 February 1961 | |
| France | December 2005 |
Also Known As (AKA)
| De samenzweersters | Belgium (TV title) (Flemish title) |
| De sammensvorne | Denmark |
| La conspiration | France (DVD title) |
| La guerra secreta de Sor Catherine | Spain |
| La guerra segreta di suor Katryn | Italy |
| Les conspiratrices | France |
| Sinetöidyt huulet | Finland |
| Synomotai tis siopis | Greece (transliterated ISO-LATIN-1 title) |
| Uma Saudade em Cada Alma | Brazil (imdb display title) |
| Verschwörung der Herzen | West Germany |
