American actress who played the role of Cousin Catherine in National Lampoon's Vacation film franchise. She voiced Maa in the film Babe.
She was a member of The Second City improv troupe in 1975.
She also played the recurring role of Sister Helen in the sitcom Grounded for Life from 2001 to 2005.
She married Will Aldis, and she has two children.
While a member of Second City, she performed alongside Shelley Long.