Entourage star Constance Zimmer is swinging by Grey's Anatomy Season 9 for a multi-episode arc, starting with Episode 12. She'll be playing yet another doctor, but will she be someone the fans enjoy meeting?

Constance herself recently weighed in on that question.

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Her character, Dr. Cahill, has been described as "a laser-focused professional with a wicked sense of humor," which sounds good to us.

But when a fan asked Constance via Twitter if fans will like her character, she replied with a tentative, "Not sure."

Hmmm ... Is Constance just being cautious, or does she have a real reason to think fans might not warm up to her character?

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Catch the next new episode of Grey’s Anatomy on Thursday, January 10, 2013, at 9 p.m. ET/PT on ABC

Source: @oczimmer