Shandra Schadt is a German voice actress, born in 1982 in Munich, Germany. She began her voice acting career at the age of eight when she filled in for an absent child at a dubbing session. She trained as a puppet player at the Munich marionette theater from 1986 through 2000 and later took acting lessons from 1997 to 1999.

In the field of anime and animation, Schadt is recognized for several significant roles. She provides the German voice for Riko in the 2005 science fiction OVA series Pale Cocoon. Her other prominent anime roles include Amy Rose in Sonic X, Hotaru Tomoe, also known as Sailor Saturn, in the 2023 films Pretty Guardian Sailor Moon Cosmos: The Movie, and Brünhild in the second season of Record of Ragnarok. She also voices Emilou Apacci in Bleach: Thousand-Year Blood War, Rio Futaba in the Rascal Does Not Dream film series, and Kobayashi in Miss Kobayashi's Dragon Maid S.

Beyond these roles, Schadt is known for recurring collaborations with specific actors and franchises. She is the established German dubbing voice for several Hollywood actresses, including Jessica Alba, Miley Cyrus, and Zhang Ziyi. She also regularly voices Elizabeth Olsen in her role as Wanda Maximoff, also known as Scarlet Witch, across the Marvel Cinematic Universe, including the series WandaVision and films like Avengers: Endgame and Doctor Strange in the Multiverse of Madness. In 2006, she was voted the most popular German dubbing voice, winning the Synchrostar 2006 award.