Staci Keanan (born Anastasia Sagórski on June 6, 1975) is an American actress. She starred in the television series My Two Dads (1987–1990) and Step by Step (1991–1998).

Keanan was born in Devon, Pennsylvania. The name Staci comes from the American pronunciation of her Russian first name, Anastasia. Keanan played Nicole Bradford in the TV series My Two Dads from 1987 to 1990, and the feminist teenage girl Dana Foster in the TV series Step by Step from 1991 to 1998. Before appearing on Step by Step, she appeared on the short-lived ABC sitcom Going Places. She also Read more...