Mary Louise Weller, Star of 'Animal House,' Passes Away at 79

WHO:

Deadline - Mary Louise Weller, actress known for her role as Mandy Pepperidge.

Variety - Weller's longtime partner is Michael Roy Curtis.

WHAT:

Deadline - Mary Louise Weller died after a brief illness.

Variety - Weller was 79 years old at the time of her death.

TMZ - Weller died one day before her 80th birthday.

WHERE:

Variety - Weller was born in New York City and raised in Westwood, California.

WHEN:

Deadline - Weller died on October 1.

Variety - Weller was born on October 2, 1946.

WHY:

TMZ - Weller battled a brief illness prior to her death.

HOW:

Variety - Multiple reports confirmed her death.

(UPDATED October 3, 2026 16:28 UTC)

Mary Louise Weller, the beloved actress known for her role as Mandy Pepperidge, has passed away at the age of 79 after a brief illness, just one day before her 80th birthday. Weller was born in New York City and raised in Westwood, California, and her longtime partner was Michael Roy Curtis. Her death has been confirmed by multiple reports, marking the loss of a cherished figure in the entertainment industry.