When Donna was younger, her father, who owned a newsstand in downtown New York City, use to hang Donna's resume photo for display for others to see.
Donna was inspired to become an actress when she saw "Funny Girl" on Broadway when she was thirteen years old.
Donna has one son named Jack Casey.
Donna is married to Arnold Zelonka.
Donna attended Sheepshead Bay High School in Brooklyn, New York.
Donna had to learn a Brooklyn accent for her role in the movie Saturday Night Fever in 1977.
Donna has studied at the American Academy of the Arts.
Donna received her driver's license when she was 25 years old.
Donna took drama classes with her Rocky co-star, Carl Weathers.
Donna gained 40 pounds for her role in Saturday Night Fever in 1977.
Donna is 5 feet 1 inches tall.
Donna was nominated for a Golden Globe for Best TV actress in a Musical/Comedy for her role in Angie in 1980.
2001-2003, Donna was nominated three Emmy Awards for Outstanding Performer in a Children's Series playing Eileen Stevens on Even Stevens.
Donna once dated actor Jason Kincaid and John Travolta.