Bianca Warnek is a German actress and voice actor born in Dresden in 1986. She trained at the Theaterakademie Vorpommern from 2004 to 2008, which marked the beginning of her professional career. Her early work included stage performances at the Vorpommersche Landesbühne Anklam, where she took on roles such as Gretchen in Urfaust and Papagena in Die Zauberflöte. Following her training, she worked as a freelance actress, with engagements at venues including the Comödie Dresden and the Schlosstheater Celle. Her stage work has also included multiple appearances at the Störtebeker Festspiele.

In addition to her on-screen roles in German television series such as Einstein, SOKO Stuttgart, and SOKO Wismar, Warnek has built an extensive career as a voice actor, dubbing foreign-language productions into German. Her voice work encompasses a wide range of genres, including animation and live-action series and films. One of her notable anime roles is providing the German voice for the character Ran Shishigaki in the series 7SEEDS, for which she is credited as Bianca Warnek-Steinke. Her other voice acting credits in anime include the role of Amy Yoshida in The Terror: Infamy and a role in Naruto Shippuden. She is also known for voicing Kimiko Miyashiro in the German version of the series The Boys.

Warnek's dubbing work is extensive, with credits spanning numerous other television series and films. Examples include providing the German voice for Emeraude Toubia's character Izzy Lightwood in Shadowhunters, Katy Mixon's character Seraphina in Rapunzel: Die Serie, and various roles in series such as Chicago Fire, Navy CIS, and Supernatural. Her work demonstrates a sustained and active career in both performance and voice acting in the German entertainment industry.