Stefanie Powers is an American actress best known for her roles in television and film. She was born on November 2, 1942, in Hollywood, California, and her birth name is Stefania Zofia Federkiewicz.

Powers began her career in Hollywood in the 1960s, appearing in a number of popular television series, including "The Man from U.N.C.L.E." and "The Girl from U.N.C.L.E." She also appeared in a number of films, including "Experiment in Terror" (1962) and "Die! Die! My Darling!" (1965).

However, it was her role as Jennifer Hart in the television series "Hart to Hart" that made Powers a household name. The show, which aired from 1979 to 1984, followed the adventures of a wealthy couple who solved crimes together. Powers starred opposite Robert Wagner, and the two had great on-screen chemistry.

Throughout her career, Powers has also appeared in numerous stage productions and has received critical acclaim for her work in the theater. She has been nominated for a Tony Award and has won a number of other awards for her stage performances.

In addition to her acting work, Powers is also an animal rights activist and has worked with a number of animal welfare organizations throughout her career. She has written several books about her experiences working with animals, including "Stefanie Powers' One from the Hart" and "Elephants and Ivory: Lessons from the Wild."