Tara Karsian is an American actress and writer. She is known for starring in films such as Kat in the 2014 independent film BFFs. Karsian also had a recurring role as Liz Dade in the NBC medical drama, ER.

For Disney, she played Principal Kneebauer in the Disney Channel sitcom Liv & Maddie and Van Ness in the ABC drama Blood & Oil.

She is the daughter of actress and comedian Pat Carroll and the late Lee Karsian.

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