Rupp has appeared in recurring roles on numerous television shows, including "Friends" as Phoebe's sister-in-law, "Seinfeld" as Jerry's ditsy booking agent, and "ER." Additionally, she appeared in the Emmy-nominated series "From the Earth to the Moon." She also starred in such telefilms as "The Invaders," "In the Line of Duty: Ambush in Waco" and "A Woman Scorned: The Betty Broderick Story."
Her feature film credits include "Big" with Tom Hanks, "Death Becomes Her” and "Sgt. Bilko.” Rupp's theatrical credits include the Broadway hit "Cat on a Hot Tin Roof," in which she portrayed “Mae.” Off-Broadway, she has performed in "Frankie and Johnny" and "A Girl's Guide to Chaos," which showcased her comic ingenuity and initially brought her to Los Angeles.
Rupp most recently starred in a theater production of “Noises Off” at the Cape Playhouse in Massachusetts. She has also filmed a co-starring role in the independent feature “Spymate” as well as a co-starring role in the ensemble feature “Jackson,” which was written, directed and executive-produced by JF Lawton (scribe of “Pretty Woman” and “Under Seige”).
She has also lent her voice to the animated feature “Teacher’s Pet,” based on the animated children’s series.
Rupp was born in Glendale, CA, and raised in Boston. After moving to New York City, she began to work in theater, television and film. Rupp currently resides in Los Angeles.