Heléne Yorke is a Canadian actress. She is known for her work on television. Since 2019, she has starred as Brooke Dubek on the Comedy Central/HBO Max television series The Other Two. She has also played the roles of Jane Martin on the Showtime American period drama television series Masters of Sex, Olivia Graves on Graves and Amy Breslin on The Good Fight. Additionally, she is known for her work on Broadway, in particular for originating the roles of Olive Neal in Bullets Over Broadway and Evelyn Williams in American Psycho, as well as for originating G(a)linda in the Munchkinland Tour of Wicked.

Yorke was born in Vancouver, British Columbia, Canada, and moved to the United States at the age of one. Yorke grew up in Pacific Palisades, California. She started dancing ballet when she was three years old and took her first acting class in middle school. Yorke graduated with a Bachelor of Fine Arts from the University of Michigan.^{[citation needed]}

Yorke has worked on various Broadway productions, including Bullets Over Broadway, American Psycho, and Grease. She also played Glinda in Wicked on tour.^[2]

In 2013, Yorke was cast in a recurring role as Jane Martin on the Showtime period drama television series, Masters of Sex.^[3][4] From 2016 to 2017, she played the major role of Olivia Graves, the daughter of Nick Nolte's character, on the Epix television series Graves.

Since 2019, she has starred as Brooke Dubek on Comedy Central/HBO Max television series The Other Two, which was renewed for a third season in September 2021.

Yorke dated chef Bobby Flay from 2016 to 2019.^[5][6] Throughout their relationship she ran a food-based Instagram account chronicling her cooking adventures with Flay, but the account was deleted following their breakup.^[7]

Yorke married Bary Dunn in a Jewish ceremony on September 3, 2021, in Brooklyn, New York.^[8] In January 2022, she announced her pregnancy on Instagram,^[9] and in June 2022, the couple welcomed a son.^[10] In February 2024, Yorke announced her second pregnancy, expected in June 2024.^[11]