Miki Mizuno is a Japanese actress who provided voice work for two interconnected anime films released in 2022. She voiced the character Itoko Sato in both "Kimi o Aishita Hitori no Boku e" (To Me, The One Who Loved You) and "Boku ga Aishita Subete no Kimi e" (To Every You I've Loved Before). In these films, Itoko Sato is depicted as a research laboratory chief and the mother of a central character, Shiori Sato.

Information regarding a broader career as a voice actor specifically is not prominent. Mizuno's primary profession is as a live-action actress, with a career spanning several decades. She was born on March 28, 1970, in Tokyo, Japan. Her acting work includes numerous television dramas and films, with her filmography dating back to the late 1980s. In addition to her role in the 2022 anime films, her credits also include a voice role in the 2007 animated film "Anpanman: Bulbul's Big Treasure Hunt Adventure".