First time in a while I've been able to recognize a voice:
http://www.animenewsnetwork.com/ency...ple.php?id=438
Nagisa was there...
Yes I know, the probability was high considering the teams behind both works.
Regarding the ep, well, in the same train of thoughts as previous what I just wrote, it was very "Clannad-ish" for the part when Otonashi gets his memories back.
The guy had to be extremely unlucky to live such a life and die in a train wreck -which is a very rare occurence in a wealthy and developped country-.
Already waiting for next week's episode.
Edit: Body double picture. She's in fact invoked by Angel herself when you watch the sequence frame by frame.