Meryl Streep is one of a kind when it comes to acting, and the same applies when it comes to accents. During her career, she has interpreted characters with Irish, French, Italian and Australian accents, and was praised for her effort with received pronunciation in ‘The Iron Lady’. She is also really committed, in ‘Sophie’s Choice’, Streep learned Polish and German in order to develop her accent, which enabled her speak both English and German with a Polish accent.