Board Thread:General Discussion/@comment-6252544-20130916224823/@comment-6175354-20130916230622

Robbie Kay is, most likely, Peter Pan.

OUaT usually only annouces "major" castings.... i.e. JoAnna Garcia as Ariel. Since it was announced Robbie Kay, would be playing someone on the show; the most probable character is Peter Pan, himsef.... OUaT just wants it to be a "surprise".