<P> Staci Keanan ( born Anastasia Love Sagorsky on June 6 , 1975 ) is a former American actress and attorney . Keanan is best known for her roles in the television series My Two Dads ( 1987 -- 1990 ) and Step by Step ( 1991 -- 1998 ) . She has also been credited as Stacy Keenan and Staci Love . </P>
who played the girl in my two dads
Staci Keanan