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Mary Louise Weller, ‘Animal House’ Actress, Dies at 79

Mary Louise Weller, known for playing Mandy Pepperidge in the 1978 comedy classic “Animal House,” died October 1 after a brief illness. She was 79 and died one day before her 80th birthday.

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Image: deadline.com · Author: Erik Pedersen · source articleEditorial excerpt for news reporting

Mary Louise Weller, who played Mandy Pepperidge in the 1978 comedy classic “Animal House,” died October 1 after a brief illness. She was 79.

The actress died one day before her 80th birthday.

Weller also had about two dozen other film and television credits.

Weller’s ‘Animal House’ role

“Animal House” was released in 1978, with Weller playing sorority girl Mandy Pepperidge.

Her death was included in a 2026 gallery of Hollywood and media obituaries.

What we know

  • Mary Louise Weller died October 1 after a brief illness.
  • She played Mandy Pepperidge in the 1978 comedy “Animal House.”
  • Weller died one day before her 80th birthday.
  • Her credits included about two dozen other film and television roles.

What is being verified

  • The newsroom is checking the report that mary Louise Weller died October 1 after a brief illness.
  • Reporting from Deadline Film is being compared; a second independent confirmation is not yet available.
If a new independent confirmation or correction appears, it will be added to the story timeline automatically.
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