Jacqueline Ruth Weaver AO (born 25 May 1947) is an Australian actress. Weaver emerged in the 1970s as a symbol of the Australian New Wave through her work in Ozploitation films such as Stork (1971), Alvin Purple (1973), and Petersen (1974). She later she starred in Picnic at Hanging Rock (1975), Caddie (1976), Squizzy Taylor (1982), and well as number of made-for-television movies, miniseries, and Australian productions of some of the most revered plays including Death of a Salesman and Streetcar Named Desire.

In 2010, Weaver has garnered critical acclaim and Academy Award for Best Supporting Actress nomination and won National Board of Review Award for Best Supporting Actress for her performance as the matriarch of a criminal family in the crime film Animal Kingdom. She received another Academy Award for Best Supporting Actress nomination for performance in the romantic comedy-drama film Silver Linings Playbook (2012). The following years, Weaver appeared in films The Five-Year Engagement (2012), Parkland (2013), Magic in the Moonlight (2014), The Disaster Artist (2017), Bird Box (2018), Widows (2018), Poms (2019), Stage Mother (2020), and Father Stu (2022).

On television, Weaver starred in the Starz comedy series, Blunt Talk (2015–2016), Fox Showcase political thriller Secret City (2016–19), Stan science fiction series Bloom (2019–20) and Epix thriller Perpetual Grace, LTD (2019). In 2021, she began appearing in the recurring role as Caroline Warner in the Paramount Network neo-Western series, Yellowstone.

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