German DVD (english audio; removeable subtitles)
Warner Germany released this film in December, 2006:
http://www.amazon.de/doppelte-Mann-Yul-Brynner/dp/B000JVT0II/ref=sr_1_20/302-0506397-3798433?ie=UTF8&s=dvd&qid=1187290007&sr=1-20
- Anamorphic widescreen
- English mono
- German mono
- Optional German subtitles
Also available from this USA import site:
http://xploitedcinema.com/catalog/the-double-man-p-12273.html