Jill Winternitz

Winternitz is from Davis, Northern California. Her mother is an academic, and her father is an orthopedic surgeon.^[1] Her sister Jana is a producer.^[2]

Winternitz attended Davis Senior High School.^[3] She began her studies at UCLA, but dropped out.^[4] Wanting to study classical theatre,^[5] at 19, Winternitz auditioned for the Royal Academy of Dramatic Art (RADA) in London, going on to graduate in 2009 with a Bachelor of Arts in Acting.^[6] She also trained at the Interlochen Center for the Arts and Moscow Art Theatre School.^[7]

In 2012, Winternitz starred as Frances "Baby" Houseman on a 23-show tour around the United Kingdom of the stage adaptation of Dirty Dancing.^[8][9] She would reprise her role as Baby for the 2013 London run at the Piccadilly Theatre, marking her West End debut.^[10]

From 2014 to the show's closure in 2015, Winternitz took over the lead role of Girl from Zrinka Cvitešić in West End production of the Irish musical Once at the Phoenix Theatre,^[11] first opposite David Hunter and then Ronan Keating as Guy.^[12] Winternitz made her television debut guest starring as Lisa in the Doctor Who series 9 episode "The Zygon Invasion". She also appeared in Dark Tourism at the Park Theatre,^[13][14] for which she was nominated for an Off West End Award.

Winternitz made her feature film debut with a small role in the 2016 comedy A Street Cat Named Bob. In 2017, she starred opposite Adrian Lukis in the UK premiere of Halley Feiffer's I'm Gonna Pray For You So Hard at the Finborough Theatre,^[15] for which she was once again nominated for an Off West End Award. She had her first prominent film role in the 2018 thriller film 10x10 with Luke Evans and Kelly Reilly.

Winternitz returned to television when she had a recurring role as Harriet Dowling the 2019 Amazon Prime series Good Omens. She then portrayed Yulia Skripal in the 2020 BBC One drama The Salisbury Poisonings.^[16] In 2023, Winternitz played the Good Doctor in the 2022 Netflix series The Sandman, also a Neil Gaiman adaptation. She returned to the Finborough Theatre for The Retreat in 2023.^[17]

Winternitz is married to English filmmaker Mike Doxford. She holds dual American and British citizenship.^[18] As of 2014, she lived in Putney, South West London.^[19][20]