Pfeiffer was born in Santa Ana, CA to Dick and Donna Pfeiffer.
She has an older brother
and two younger sisters, one is Dedee Pfeiffer
who also is an actress.
She graduated from Fountain
Valley High School in 1976 and attended
one year at the Golden West
College, where she studied to become a
court reporter. But it was
while working as a supermarket checker at Vons,
a large Southern California
grocery chain, that she realized her true
She was married to actor/director
Peter Horton and later divorced from
him. In March of 1993, she
adopted a baby girl, Claudia Rose and on
November 13th of the same
year, she married David E. Kelley (creator
of "Chicago Hope" and "Ally
McBeal"). On August 5, 1994 she had a
son, called John Henry.