Mia Sara is (or possibly was) involved with Brian Henson, son of Muppets creator Jim Henson. The couple have a daughter together.

Mia has (or had at one time) two Wheaton terriers.

Father is a photographer and her mother is a stylist.

In 1994, she received her own private pilot's license

Mother, with Jason Connery, of Dashiell Quinn (b. 1997).

Has a motion-picture production company with Danielle von Zerneck.

Younger sister, Cassie.

Attended St. Ann's School in Brooklyn for elementary and high school. She graduated from high school there in 1985.

Mother-in-law was Diane Cilento.

Father-in-law was Sean Connery.

Replaced Sherilyn Fenn as Dr. Harleen Quinzel/Harley Quinn in the WB show "Birds of Prey" (2002).