When she wed Ian Murray, her identical twin sister, Caroline Paul, and Ian's brother Chris, performed the ceremony.

Speaks fluent French and has been registering voters once a week for 18 years. She vigils against the Iraq war every week since 2002.

In an interview about Christine (1983) (the film in which she starred), she mentioned that she has been a vegetarian since she was 14.

At her September 2000 wedding to Ian Murray, the couple sent their invitations out on hemp, the bride's gown contained no silk, the food was meat-free, the couple made their own rings from panned-gold, and the guests were asked not to bring gifts to reduce consumption of natural resources. The bride and groom met 5 years earlier during a triathlon. Their honeymoon included an ocean swim and a Malibu triathlon the following day.

Attended prestigious Groton School, Groton, Massachusetts and graduated with honors.

Completed Ironman Triathlon race in Hawaii. [1997]

Honoured by the United Nations Environmental Program in 1997 for her work on human population issues.

Loves hiking and skiing.

Founded the Population Education Project in 1991, a program educating youths about the human population crisis. (1986) Founded Young Artists United, an organization of young people in the entertainment industry who wanted to be positive role models for American kids.

Recipient of the ACLU's 2005 Activist of the Year Award.

Recipient of Mikhail Gorbachev's Global Green Environmental Leadership Award in 1999.

Has an identical twin sister, Caroline Paul, author and San Francisco firefighter. Excerpts from her autobiography, "Fighting Fire", were published in Reader's Digest and Curve magazines.