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Tina Yothers
Kristina Louise Yothers is an American actress and singer. Beginning a career as a child actor at the age of three, she is best known for her role as Jennifer Keaton on the hit NBC series Family Ties, as well as for her roles in numerous television films throughout the 1980s and early 1990s including The Cherokee Trail, Crash Course, and Spunk: The Tonya Harding Story among others.
Source: Wikipedia