Parents are Robert and Diane. Brother is Ian.

Her brother Ian Rob Witt appeared with her in the film Liebestraum (1991)_ .

Was home schooled and received high school diploma at age fourteen.

Appeared on "That's Incredible!" (1980) at the age of four because of her amazing reading skills. She also performed the balcony scene of Romeo and Juliet (1968/I) with the host.

Grew up down the street from screenwriter Caitlin McCarthy in Worcester, Massachusetts. McCarthy wrote the adapted historical drama "Vera," which will star Lucie Vondrácková, Alicia Witt's co-star in Last Holiday (2006).

Used to play the piano at the Regent Beverly Wilshire Hotel.

Her mother is Diane Witt, who was in the Guinness Book of World Records from 1988 to 1996 for having the world's longest hair.

In June 2004, she modeled what is claimed to be the most expensive hat ever made, the US$2,700,000 Chapeau d'Amour by celebrity couture hat designer Louis Mariette, at Christie's in London.

Is a classically trained pianist.

Although she`s married, Alicia doesn`t usually wear a wedding ring.