She was raised in the Portuguese municipality ofCascais, where her family immigrated when she was 18 months old.[4] As a result of attendinginternational schools, she speaks fluent English, Portuguese, French and Spanish.[6][7]
In Portugal, Wallis appeared in several short films before she moved to London to pursue a career in film. In London, she did some advertisements and looked into drama schools before ultimately deciding to find an agent.[4]
In television, her breakthrough was in season three of the Showtime drama seriesThe Tudors (2009) asJane Seymour,[2] where she replaced actressAnita Briem. In the following years, she starred in the television filmThe Lost Future (2010) alongsideSam Claflin; and in the ABC seriesPan Am (2011), which was cancelled after one season.[9][10]
Wallis starred asGrace Burgess in the BBC dramaPeaky Blinders from 2013 to 2016.[11] Her role allowed her to be "believable in a strong, female, alpha role."[12] The series received critical and public acclaim.[13]
In 2018, Wallis landed a lead in the American comedyTag as Rebecca Crosby.[19] Later that year, she reunited with film directorAlex Kurtzman for theStar Trek: Short Treks episode "Calypso", where she voiced the artificial intelligence Zora. She later reprised the character in a recurring role onStar Trek: Discovery.
In April 2018, she was announced asCartier's ambassador for jewellery and the new face of thePanthère de Cartier watch.[20]
Wallis in 2019
In 2019, Wallis joined Showtime's mini-seriesThe Loudest Voice as Laurie Luhn, Head of Booking atFox News Channel andRoger Ailes's long-time "mistress". Luhn is one of Ailes's first victims to break silence and denounce him, alongsideGretchen Carlson.[21][22][23] The series received generally favourable reviews and was nominated at theGolden Globe Awards forBest Limited Series or Television Film. Wallis's performance was praised and seen as "heartbreakingly powerful work" by theChicago Sun Times.[24] Later that year, Wallis reprised her role as Grace Shelby in the fifth season ofPeaky Blinders.[25]
In 2021, Wallis starred inJames Wan's horror filmMalignant. Scheduled byWarner Bros to premiere in August 2020, the release was postponed due to theCOVID-19 pandemic, opening on 10 September 2021, simultaneously in theaters and onHBO Max.[31][32][33] The film is a tribute to thegiallo genre,[34] and follows Madison Mitchell, played by Wallis, who is "paralyzed by shocking visions of grisly murders," and as her torment continues, "discovers that these waking dreams are in fact terrifying realities."[35] It is the firstR-rated US movie to be released in China.[36][37]
Wallis spoke out againstBrexit and participated in the June 2016 #DontFuckMyFuture campaign to encourage young people to vote against it.[citation needed]
Wallis supportsSave The Children and participated to the #ChristmasJumper campaign in November 2018.[46] In September 2019, she joined the U.n.I (You and I) project forUNICEF.[47][48] She is committed to the NGOChoose Love (formerly Help Refugees), which provides humanitarian aid to refugees around the world and advocates for them. She attended the launch of the Choose Love's store in Los Angeles in December 2019.[49]
In April 2020, during theCOVID-19 pandemic, Wallis teamed up with her friend and fashion designerGeorgia Hardinge to raise funds for the charityAge UK.[50] Along with other celebrities, she joined the movement #SaveWithStories in partnership with Save The Children andNo Kid Hungry. The movement aims to provide fun and education to children and parents stuck at home during the pandemic. The donations made to #SaveWithStories will help children and families most affected by the COVID-19 crisis around the world by providing them with food, access to early learning resources and household goods.[51][52]
Wallis was in a relationship with Burberry model James Rousseau from 2010 to 2014. From 2015 to 2017, Wallis was in a relationship withColdplay lead singerChris Martin.[53] She appeared in the music video for Coldplay's "Hymn for the Weekend" and provided background vocals to their song "Up&Up".[54][55] From 2018 to 2021, she was in a relationship with American actorChris Pine.[56] Wallis has been in a relationship with Romanian-American actorSebastian Stan since 2022.[57]