Kimiko Elizabeth Glenn (born June 27, 1989) is an American actress, singer, and Broadway performer. She is known for portraying Brook Soso in the Netflix series Orange Is the New Black, for which she received three Screen Actors Guild Awards. She has also portrayed Dawn Pinket in the Broadway musical Waitress, and also provided the voices of Ezor in Voltron: Legendary Defender and Peni Parker in Spider-Man: Into the Spider-Verse.
Glenn was born and raised in Phoenix, Arizona with her sister Amanda. Her father, Mark, is of German, Scottish and Irish descent, and her mother, Sumiko, is Japanese. Glenn began acting at the Valley Youth Theatre in Phoenix, and several other local theaters, when she was in fifth grade.
She was educated at Desert Vista High School and the Interlochen Arts Academy boarding school in Interlochen, Michigan. She attended the Boston Conservatory for a year as a musical theatre major, but dropped out when she was cast in the touring company of Spring Awakening.
During her freshman college year in 2008, Glenn was cast as Thea in the first U.S. national tour of Steven Sater's and Duncan Sheik's rock musical Spring Awakening. In 2013, she booked her breakthrough role as Litchfield Penitentiary inmate Brook Soso in the Netflix comedy-drama series Orange Is the New Black, for which she has received Screen Actors Guild Awards in 2014, 2015 and 2016 for Outstanding Performance by an Ensemble in a Comedy Series.
In 2014, she appeared in the Lena Dunham-directed music video "I Wanna Get Better" for Jack Antonoff's solo project Bleachers.
Glenn played the supporting role of Liv Kurosawa in the drama-thriller film Nerve (2016), directed by Henry Joost and Ariel Schulman and based on the young adult novel of the same name. In 2016 she was cast as Dawn Williams in the Broadway transfer production of Sara Bareilles's and Jessie Nelson's musical Waitress. Preview performances began on March 25, 2016 at the Brooks Atkinson Theatre, and the show officially opened on April 24.
In 2018, Glenn began starring as Harlow in the comedy Web television series Liza on Demand, with Travis Coles and creator Liza Koshy.