Board Thread:Spoilers!/@comment-2153169-20170216190723

Along those lines, TVLine now has a first bit of intel on how the series’ current run (resuming Sunday, March 5) will end, and in doing so tee up any possible Season 7.

Namely, the May finale will introduce a pair of guest stars, both of whom have the potential to be series regulars if the show moves forward. First up, the fantasy drama is casting a “strong yet vulnerable” leading man in his late 20s to mid-30s, a gent who was once optimistic and hopeful but now is a friendless, cynical recluse. That said, he still possesses a dormant, deep-seated speak of hope that waits for the right person to reignite it.

The other role being cast is a precocious 10-year-old with a “constant twinkle of mischief in her eye.” And though this girl comes from a broken home, those struggles have only made her stronger — something which will come in handy when darkness threatens “everything she holds dear.” And while the character breakdown notes that this lass “never lets the hard knocks of life get her down,” you would be wrong to guess that she is a certain little orphan named Annie.

source: http://tvline.com/2017/02/16/once-upon-a-time-season-7-spoilers-cast/

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Definitely sounds like they're casting an adult Henry and his potential daughter ^^ 