BIRTHDATE: October 9, 1961 (she's three and a half minutes older than Jean

BIRTHDATE: October 9, 1961

BIRTHPLACE: Santa Monica, CA

MOTHER: Sara Sagal, who had her own radio show at age 13, became the first female assistant TV director, also a producer and writer for TV. Passed away in 1975, as the result of a heart attack.

FATHER: Boris Sagal, film director. Was killed in a tragic helicopter accident in 1981, while scouting locations for a new film.

OTHER SIBLINGS: Older sister Katey (played "Peggy Bundy" in "Married...With Children"), older brothers David and Joey (also an actor)

HEIGHT: 5'2 1/2" (she's a half-inch shorter than Jean)

HAIR COLOR: Chestnut

EYE COLOR: Hazel

EDUCATION AND EARLY WORK EXPERIENCE: Began studying dance at age 12, and eventually got a dance scholarship to the Dupree Dance Academy. Got a job as a dancer in a Dr. Pepper commercial.

FIRST BIG BREAK: Grease II

ROLE IN "DOUBLE TROUBLE": shy twin Allison Foster