Weller's portrayal of Mandy Pepperidge left an indelible mark on cinematic history, making her a recognizable face to generations of film fans. In John Landis' iconic college romp, she played the sophisticated sorority queen and girlfriend of Greg, president of the rival Omegas. Mandy's character was central to several key comedic moments, including a surprising fling with Delta House's smooth-talking Otter (Tim Matheson).

Perhaps most famously, Mandy was the target of John 'Bluto' Blutarsky's (John Belushi) audacious abduction during the climactic homecoming parade. The film's legendary 'What became of…' epilogue humorously revealed her ultimate fate, riding off with Bluto and later identified as Senator and Mrs. Blutarsky, solidifying her character's place in the film's enduring legacy.

Born on October 2, 1946, in New York City, Weller's career spanned a variety of roles across film and television. Before her breakout in 'Animal House,' she appeared in minor film roles and made guest appearances on popular TV dramas such as 'Kojak' and 'Baretta.'

Following her iconic turn as Mandy, Weller continued to be a familiar face on television throughout the late 1970s and early 1980s. Her extensive list of TV credits includes guest spots on beloved series like 'Starsky & Hutch,' 'The Hardy Boys/Nancy Drew Mysteries,' 'B.J. and the Bear,' 'Vega$,' and multiple appearances on 'Fantasy Island' and 'CHiPs.'

On the big screen, Weller co-starred opposite action legend Chuck Norris in the 1982 crime thriller 'Forced Vengeance.' That same year, she also appeared in the features 'Bloodtide' and the cult monster film 'Q: The Winged Serpent.' Her final screen credit came in 1983 with an episode of the crime drama 'Quincy, M.E.'

Details regarding survivors or a memorial service were not immediately available.