Only child born to Robert and Josephine Quinlan. She grew up in
Mill Valley, CA, and got her break in acting when George Lucas came
to her high school to cast for his movie American Graffiti. She
followed up her one-line role 4 years later with Lifeguard, and
then several roles in the late 1970s and '80s. Her breakthrough
performance came in 1994, as Marilyn Lovell in the Oscar-winning
Apollo 13, for which she was nominated for an Oscar. Today she
stars in the TV series Family Law, but her contract stipulates that
she cannot work later than 6 pm, so she can be home with her
husband, son Tyler (b. 1990), and step-son Dalton (b. 1989).
Biography courtesy of the Internet Movie Database (www.imdb.com).