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Stefanie Powers (born Stefania Zofya Paul on November 2, 1942, in Hollywood, California) is an American actress whose screen career began in the early 1960s and whose best-known role is Jennifer Hart on the television series Hart to Hart (1979–1984). Signed to a studio contract as a teenager, Powers worked steadily in feature films and guest television roles through the 1960s and 1970s, including a starring turn as April Dancer in the short-lived series The Girl from U.N.C.L.E.. Her performance in Hart to Hart earned two Emmy nominations and five Golden Globe nominations. Outside acting, Powers has been active in wildlife conservation — co-founding or serving with organizations inspired by her longtime relationship with William Holden — and has returned to stage and screen projects across subsequent decades, including the feature film The Artist's Wife (2019/2020).

... Stefanie Powers began performing on screen in the late 1950s and early 1960s after being placed under a studio contract in her teens. Over the 1960s she appeared in a steady stream of feature films and television guest roles, moving into a starring television role as April Dancer in the 1966–67 series The Girl from U.N.C.L.E.. Her career pivoted to greater recognition with the mystery/drama series Hart to Hart (1979–1984), in which she co-starred opposite Robert Wagner as Jennifer Hart; the role brought significant award attention and a durable popular profile. Powers continued to work in television movies and miniseries throughout the 1980s and 1990s, and sustained parallel stage work in the U.K. and the U.S. She has also written memoir material and pursued wildlife- and animal-welfare causes, helping to found organizations linked to William Holden and serving as a spokesperson and fundraiser. After a period away from theatrical films, she co-starred in the feature The Artist's Wife, and she has remained active with occasional TV appearances, stage tours and public engagements into the 2010s and beyond. Then & Now The 1980s During the 1980s Stefanie Powers was best known for her starring role as Jennifer Hart on Hart to Hart (1979–1984), a performance that brought her two Emmy nominations and five Golden Globe nominations and cemented her as a prime-time television star. The series’ success made her a familiar presence in mystery-drama and popular culture, and she supplemented the show with television movies and stage appearances. The visibility she gained in the decade also amplified her public profile, helping to draw attention to causes she championed, particularly wildlife conservation inspired by her relationship with William Holden. Now (2026) As of 2026, Powers is regarded both for her enduring television legacy and for decades of conservation work; she has continued to accept occasional stage and screen projects — most recently appearing in the feature The Artist’s Wife (2019/2020) — while concentrating much of her energy on wildlife preservation initiatives she helped found or support. She remains a respected figure in entertainment circles and among conservationists, with her career often recalled through the iconic image of Jennifer Hart and her long-term advocacy for endangered species and habitat protection. Her legacy is therefore twofold: a memorable screen career and sustained philanthropic commitment to the natural world. Career timeline 1958 Early screen work begins; Powers appears in unsold pilots and begins taking television guest roles. 1961–1965 Film appearances in the early 1960s include small roles in features and independent films as she builds a screen résumé. 1966–1967 Stars as April Dancer in the television series The Girl from U.N.C.L.E. (29 episodes), her first regular starring TV role. 1977 Plays Sally Whalen in the six-part miniseries Washington: Behind Closed Doors. 1978 Stars as Joan Barthel in the television movie A Death in Canaan. 1979 Begins the role of Jennifer Hart in the mystery series Hart to Hart, which runs through 1984. 1984 Hart to Hart concludes its original five-season network run. 1992 She receives a star on the Hollywood Walk of Fame in the Television category (6776 Hollywood Boulevard). 2009 Undergoes surgery to remove part of her right lung after a diagnosis of alveolar cell carcinoma (a form of lung cancer). 2019–2020 Co-stars in the feature film The Artist's Wife (filmed 2018–2019; released 2020), marking a notable theatrical film return. Public reference sources Public biography and credit reference.Stefanie Powers – Wikipedia reference search Public biography and credit reference.Stefanie Powers – IMDb name search Biographical and credit details were checked against Stefanie Powers – Wikipedia reference search, Stefanie Powers – IMDb name search.