Horror of Darkness A studio-based drama by John Hopkins focusing on a trio of people at the point of crisis, with an underlying theme of homosexuality a couple of years before legalisation. Details Casts Galleries Posters Title Horror of Darkness Release Date 1965-03-10 Runtime 01 Hours 08 Minutes Genres Drama TV Movie Production Companies Unknown Production Countries United Kingdom Alfred Lynch... Peter... Glenda Jackson... Cathy... Nicol Williamson... Robin... Catherine Clouzet... Micaela... Wallas Eaton... The Visitor... Original Size (1280x720) Original Size (1280x720) Original Size (600x900)