Beverly Heather D'Angelo is an American actress who starred as Ellen Griswold in the National Lampoon's Vacation films (1983–2015). She has appeared in over 60 films and was nominated for a Golden Globe Award for her role as Patsy Cline in Coal Miner's Daughter (1980), and for an Emmy Award for her role as Stella Kowalski in the TV film A Streetcar Named Desire (1984). D'Angelo's other film roles include Sheila Franklin in Hair (1979) and Doris Vinyard in American History X (1998).

Patsy Cline was an American singer. She is considered one of the most influential vocalists of the 20th century and was one of the first country music artists to cross over into pop music. Cline had several major hits during her eight-year recording career, including two number-one hits on the Billboard Hot Country and Western Sides chart.