Also, check out what the Twisted Twins have to say about the video via their Penny Dreadful blog.
There ya have it.
American Mary is Katharine Isabelle!!
Isabelle is well known for her work in the penultimate growing up werewolf classic GINGER SNAPS as well as being in Freddy vs Jason.
Also, check out the teaser trailer For American Mary !
Head over to the official site for more info and check out their official blog. You can always follow the twins on Twitter as well.