A few months ago I asked about an old series about people on a giant space ship ...so on and so forth, full question in this thread. Anyway I finally found someone who knew it, it's called StarLost and the IMDB link is
http://imdb.com/title/tt0069638/
Turns out Keir Dullea from 2001 and 2010 just to mention two was in it. It only lasted 14 or episodes.
I guess the only reason I'm posting this is because now I know I didn't imagine it.
Thanks to all who viewed and especially those who replied and came very close on the name.