There is English support via the English interface. This is the GOG version of the game but IMHO, the language support notification on Steam is more comprehensive than the one on GOG. Language support notification on GOG (Note: "text" is not discernible for Interface or Subtitles and is thus less accurate. Also, if a language's characters (First column of information) are not recognizable by the viewer then he or she may be confused as to the language specified as being supported (eg. - The Kanji set of characters is used by the Simplified Chinese, Traditional Chinese and Japanese languages but there is no clear way for understanding which language is being supported by this game).
This is the GOG version of the game but IMHO, the language support notification on Steam is more comprehensive than the one on GOG.
Language support notification on GOG
(Note: "text" is not discernible for Interface or Subtitles and is thus less accurate. Also, if a language's characters (First column of information) are not recognizable by the viewer then he or she may be confused as to the language specified as being supported (eg. - The Kanji set of characters is used by the Simplified Chinese, Traditional Chinese and Japanese languages but there is no clear way for understanding which language is being supported by this game).