Portrayed Laura Ingalls on Little House on the Prairie.
She began her acting career by doing commercials for Alpo dog food and other products.
She voiced Batgirl in Batman: The Animated Series, and she had an on-again-off-again relationship with Rob Lowe.
She married Bo Brinkman in 1988, and the couple had a daughter, Dakota, in 1989, and they divorced in 1992.
Merlin Olsen once worked with her in Little House on the Prairie.