Isobel Dorothy Powley is an English actress who was born on March 7, 1992. Powley was born and raised in London and attended Holland Park School. As a teenager, she appeared on the CBBC action series M.I. High (2007-2008), the period miniseries Little Dorrit (2008), the crime series Murderland (2009), and the ITV sitcom Benidorm (2014).
Powley received critical acclaim for her performances as Princess Margaret in A Royal Night Out (2015), for which she was nominated for a British Independent Film Award for Most Promising Newcomer, and as a sexually confused adolescent in The Diary of a Teenage Girl (2016), for which she won the Gotham Independent Film Award for Best Actress and the Trophee Chopard at the 2016 Cannes Film Festival. She has since appeared in the films Mary Shelley (2017), White Boy Rick (2018), Ashes in the Snow (2018), and The King of Staten Island (2020), as well as the drama series The Morning Show on Apple TV+ (2019–2021).
Powley was born in the London borough of Hammersmith to British actor Mark Powley and casting director Janis Jaffa. Her mother is Jewish, descended from Russian emigrants to Dublin, Ireland. Powley was a student at Holland Park School.
Powley was one of the main characters on M.I. High from 2007 to 2008, appearing in 23 episodes. Powley has also appeared in Murderland (three episodes, 2009), Little Dorrit (2008), The Bill (2008), and The Whistleblowers (2008). (2007). Powley joined the cast of ITV's Benidorm for series six in 2013.
Powley co-starred with Sarah Gadon as Princess Elizabeth in the biographical comedy-drama A Royal Night Out in 2015. Powley starred as Minnie Goetze in the 2015 comedy-drama film The Diary of a Teenage Girl, which premiered in New York City and Los Angeles. Soon after, Powley took over as the titular character in the 2016 indie film Carrie Pilby, replacing Hailee Steinfeld.
In 2018, Powley starred opposite Liv Tyler in the horror film Wildling, and appeared in the crime-drama film White Boy Rick. Powley starred as Holly Morten in the BBC One drama Informer the same year. Powley appeared in The King of Staten Island as Pete Davidson's character's love interest in June 2020.
Powley portrayed Birdy, one of the main characters in the TV series Everything I Know About Love, in 2022.
In March 2009, Powley played Maggie in Tusk Tusk at the Royal Court Theatre in London. On Broadway, she played Thomasina in the Ethel Barrymore Theatre's 2011 revival of Arcadia. She returned to the Royal Court in October 2011 as Tilly in Jumpy, a role she reprised in the West End transfer of Jumpy to the Duke of York's Theatre in August 2012. She played Dawn in the Hayes Theatre revival of Lobby Hero in March 2018, alongside Chris Evans, Michael Cera, and Bryan Tyree Henry.
Powley stated in a 2013 interview that she had a place reserved at the University of Manchester to study history, but she never attended. After meeting on the set of the film Mary Shelley in 2016, actor Douglas Booth announced on his Instagram page in July 2021 that he and Powley are engaged to be married.
|2013||Side by Side||Lauren Buckle|
|2015||The Diary of a Teenage Girl||Minnie Goetze|
|A Royal Night Out||Princess Margaret|
|Carrie Pilby||Carrie Pilby|
|2017||Mary Shelley||Claire Clairmont|
|White Boy Rick||Dawn Wershe|
|Ashes in the Snow||Lina Vilkas|
|2020||The King of Staten Island||Kelsey|
|TBA||Turn Me On|
|2007||The Whistleblowers||Emma Clayson||Episode: "Starters"|
|2007–2008||M.I. High||Daisy Millar||23 episodes|
|2008||The Bill||Becky Cooper||Episode: "Loved and Lost"|
|Little Dorrit||Flower Girl||Episode #1.3|
|2009||Murderland||Carrie Walsh||TV mini-series|
|Victoria Wood's Mid Life Christmas||Cranchesterford teenager||TV movie|
|2011||The Cabin||Sydney||TV movie|
|2014||Benidorm||Bianca Dyke||5 episodes|
|2016||Roald Dahl's Revolting Rhymes||Cindy (voice)||TV movie|
|2018||Informer||Holly Morten||6 episodes|
|2019–2021||The Morning Show||Claire Conway||Main role (season 1); guest role (season 2), 11 episodes|
|2019-2022||Moominvalley||Little My (voice)||39 episodes|
|2022||Everything I Know About Love||Birdy||Main role|
|TBA||Masters of the Air||Sandra Wingate||Upcoming miniseries|
|TBA||A Small Light||Miep Gies||Upcoming miniseries|
|2009||Tusk Tusk||Maggie||The Royal Court Theatre||Jeremy Herrin|
|2011||Arcadia||Thomasina||Ethel Barrymore Theatre (Broadway)||David Leveaux|
|Jumpy||Tilly||Royal Court Theatre & Ambassadors Theatre Group||Nina Raine|
|2013||Raving||Tabby||Hampstead Theatre||Edward Hall|
|2014||Elephants||Daisy||Hampstead Theatre||Tamara Harvey|
|2018||Lobby Hero||Dawn||Helen Hayes Theatre (Broadway)||Trip Cullman|
|2015||A Royal Night Out||Hamptons International Film Festival||Breakthrough Performer||Won|
|British Independent Film Awards||Most Promising Newcomer||Nominated|
|The Diary of a Teenage Girl||Gotham Independent Film Awards||Best Actress||Won|
|Niagara Integrated Film Festival||NIFF Rising Star||Won|
|Detroit Film Critics Society||Best Actress||Nominated|
|Chicago Film Critics Association||Most Promising Performer||Nominated|
|Florida Film Critics Circle||Pauline Kael Breakout Award||Nominated|
|Women's Image Network Awards||Outstanding Actress in a Feature Film||Nominated|
|Women Film Critics Circle||Best Young Actress||Nominated|
|Village Voice Film Poll||Best Actress||Nominated|
|New York Film Critics Circle||Breakthrough Performance||Nominated|
|Indiewire Critics' Poll||Best Lead Actress||Nominated|
|Kansas City Film Critics Circle||Best Actress||Nominated|
|2016||Cannes Film Festival||Trophée Chopard - Female Revelation||Won|
|British Academy of Film and Television Arts||BAFTA Rising Star Award||Nominated|
|Film Independent Spirit Awards||Best Female Lead||Nominated|
|Empire||Best Female Newcomer||Nominated|
|Alliance of Women Film Journalists||Best Breakthrough Performance||Nominated|
|Chlotrudis Awards||Best Actress||Nominated|
|FEST International Film Festival||Best Actress||Won|