Leo Hartz is (for all but the final episode of the series) a member of the Theater Department faculty at Winter Lake Academy for the Arts. He and his wife Maya are both members of the Winter Lake Academy class of 2004 and received further theater training as undergraduates at NYU. After graduation, but before returning to The Academy as faculty, he and Maya traveled the U.S. and Canada in a revival tour of "The 25th Annual Putnam County Spelling Bee," in which he played the role of Leaf Coneybear.

He is fairly young-looking and on the slight side, so he is often mistaken for a student. For the most part, this stops when he becomes a father. All of his children are named after orphans from the musical "Annie," because it would be weird to name your children after characters from the musical "Cats."

His parents are named Judy and Elliott, and he has an older sister named Rachel.

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