Petra Unkel (3 March 1925 – 2001), also known as Petra Unkel-Klinder, was a Hungarian-born actress of German film, singer, voice actress, radio spokesperson and cabaret artist, who was active in the industry from 1929 until 1958.
She made her debut appearance on screen in 1929 as a four-year-old during the silent film era, in Napoleon at Saint Helena, starring Werner Krauss as Napoleon.
Her first starring role came three years after in the 1932, operetta film Melody of Love.
As a voice artist she lent herself to becoming a radio spokeswoman, and provided voices for such stars as Nancy Olson, Bridgette Bardot and Micheline Presle.
She also provided dubbing of American fellow child star Shirley Temple in the German version of the film Since You Went Away (1944).