Stefanie Powers is an American actress best known for her role as Jennifer Hart in the popular television series Hart to Hart, which aired from 1979 to 1984. Born on November 2, 1942, in Hollywood, California, she began her career in the 1960s, appearing in various television shows and films. Powers has also worked extensively in theater and has received acclaim for her performances. In addition to her acting career, Stefanie Powers is an advocate for wildlife conservation and has been involved with organizations like the William Holden Wildlife Foundation. She has written books and produced documentaries, showcasing her passion for animal welfare and environmental issues.