Based on available information, Akiko Iwase is a Japanese actress and creative artist whose work is primarily in live-action stage, film, and television productions, with a limited number of documented voice acting credits.

Iwase was born and raised in Tochigi, Japan. She pursued higher education in the United States, graduating from the College of William and Mary in Virginia. After returning to Japan, she began her acting career in Tokyo. In 2008, she founded her own theater company, Bion, where she serves as an actor, writer, and producer, mounting one or two productions annually.

Her screen career includes appearances in both Japanese and international productions. Her film roles include the Hollywood films The Forest (2016), Earthquake Bird (2019), and Minamata (2020). She also appears in the television series Tokyo Vice. In 2017, she received awards for Best Actor and Best Script Writer at the Kamome One-Act Play Festival, a national competition in Japan. In addition to her acting, Iwase works as a writer, having penned plays and episodes for TV dramas, including the Japanese detective series Tokuso 9. She made her screenwriting and film production debut with the 2021 film Lunar Maria.

Regarding voice acting, Akiko Iwase provided the voice for the character Juicy's Mama in the 2022 feature-length anime film Chibiham, Juicy & Me. No other major anime voice roles are documented in the available sources.