Heide Ihlenfeld is a German actress, voice actress, and singer based in Berlin, where she was born on July 18, 1981. Her career in voice acting began in earnest around 2012 after she completed advanced training in microphone and dubbing techniques at the Coaching Company Berlin. She has since become a prolific voice for German dubs of international film and television, with a significant body of work in anime.

Ihlenfeld is perhaps best known in the anime community for her long-running role as the voice of Asia Argento across all seasons and OVA episodes of the High School DxD franchise, including High School DxD New, Born, and Hero. Another prominent role is providing the German voice for Rio Kastle in Yu-Gi-Oh! Zexal. Her versatility is demonstrated through a wide range of other characters, such as Binkan-chan in Shimoneta: A Boring World Where the Concept of Dirty Jokes Doesn’t Exist, Loutier Trum in Aesthetica of a Rogue Hero, Naka in KanColle, and the Druid Girl in Goblin Slayer. She also voiced Kanami Mihara in the series Is This a Zombie?, as noted by Anime News Network. Her work extends to more recent titles, where she is the German voice for Sayumi Suzushiro in The Café Terrace and Its Goddesses starting from episode seven.

Beyond anime, Ihlenfeld's voice can be heard in numerous live-action series and films. Her dubbing credits include lending her voice to actresses such as Rae Gray in Fear the Walking Dead, Kathleen Rose Perkins in Colony, Hannah Fierman in Siren, and Gabrielle Nebrida-Pepin in iZombie. She has also contributed to the German versions of popular shows like Shameless, Orange is the New Black, Grimm, and Fargo.

Her professional profile highlights a comprehensive skillset that supports her voice work. She is a trained singer with a mezzo-soprano voice, proficient in musical, rock, pop, and chanson, and has sung for productions such as Harvey Beaks, Dora & Friends, and Coco the Curious Monkey. In addition to her on-camera acting roles in German television and film, she remains active on stage, performing in theater productions in Berlin and Leipzig.