Ollie's Nana!

[pksenseless]

OK so not really, but according to what the article below says, this new character was like a grandma to Ollie.

Kathlee Gati is playing Raisa




Here is who she is:

http://www.imdb.com/name/nm0309670/

Here is the article I found it in:

http://www.greenarrowtv.com/kathleen-gati-to-play-raisa-in-arrow/11085