Peggy Sue Emmler is a German voice actor and dialogue writer born on May 24, 1991 in Berlin. She made her debut as a voice actor in 2003, providing the voice for Kaoru Hanano in the anime series Crush Gear Turbo. Between 2017 and 2021, she studied at the Filmuniversität Babelsberg Konrad Wolf. Since 2023, she has also worked as a dialogue book author, contributing to the German adaptation of the anime series Future Boy Conan.

Emmler has voiced numerous characters in anime productions. She plays Anna Yamada in The Dangers in My Heart, Natsumi Oohashi in More Than a Married Couple, But Not Lovers, Ema in Tsukimichi Moonlit Fantasy, and Kobachi Osaragi in Kaguya-sama: Love is War Ultra Romantic. Her other anime voice roles include Akane Hooji in The Café Terrace and Its Goddesses, Mia in Shangri-La Frontier, and additional roles in series such as Familienanhang, Bad Signal: The Series, and One Cut of the Dead.