Mary Louise Weller, an actress known for playing Mandy Pepperidge, a Pi House sorority sister in the John Belushi campus comedy “Animal House,” dies at age 79. Multiple outlets report that her death follows a period of illness, with Variety noting it occurred Thursday.

Beyond “Animal House,” sources also point to other screen work. Hollywood Reporter highlights her role as Chuck Norris’ love interest in “Forced Vengeance,” while Forbes and Variety focus primarily on her “Animal House” character. Variety adds biographical details, stating she was born in New York City on Oct. 2, 1946, and raised in Westwood, California, and that her longtime partner Michael Roy Curtis is among those confirming her passing.

Across the coverage, the central agreement is Weller’s association with “Animal House” and her age at death, with differing emphasis on additional credits and biographical specifics. All accounts describe her as a supporting performer whose “Animal House” role made her widely recognized.