Some new faces are coming to Storybrooke in theOnce Upon a Timeseason finale.
I can say that definitely its not the Brothers Grimm, executive producer Edward Kitsis says.
But who theyareportraying will play into the season ender.

Credit: ABC/Jack Rowand
Sam and Hank play characters who play a pivotal role in the season finale, EP Adam Horowitz adds.
Its more like opening a door, rather than introducing the whole of what season 6 will be.
Hopefully were giving you a little taste of whats to come.
Once Upon a Timeairs Sundays at 8 p.m.