1. Katie Leung first gained fame for playing Cho Chang, Harry Potter's first love interest in the Harry Potter film series, and subsequently for her roles as Caitlyn Kiramman in the Netflix animated series Arcane and Ash in the Amazon Prime Video sci-fi series The Peripheral.
Katie Leung was born in Dundee to Peter Katie Leung, a Hong-Kong-born businessman and restaurateur who opened a company in Glasgow, and Kar Wai Li, a banker.
Katie Leung's parents divorced when she was three, and she continued living in Scotland with her father, stepmother, and siblings after her mother moved back to Hong Kong.
Katie Leung's father saw an advertisement for a Harry Potter and the Goblet of Fire casting call, and suggested she should try out.
Katie Leung waited four hours in line for a five-minute audition, despite feeling she had little likelihood of obtaining the role.
Katie Leung reprised her role in the subsequent films in the series, most notably Harry Potter and the Order of the Phoenix, in which her character had the distinction of being Harry Potter's first romance.
In March 2021, Katie Leung opened up further about the racist harassment she received from fans while filming Harry Potter; appearing on an episode of the Chinese Chippy Girl podcast, she revealed that she was told by her publicists to deny what was happening if any interviewer asked.
Katie Leung was named Scotland's most stylish female and the hottest Scotswoman in 2007 by Scotland on Sunday.
In 2013, Katie Leung starred alongside Vera Chok in The World of Extreme Happiness, a play about the world of migrant workers in China's rapidly emerging modern era.
Katie Leung received praise from Catherine Gee of The Daily Telegraph, who called her performance "beautifully understated".
In late 2016, Katie Leung appeared in the Tony Kushner play The Intelligent Homosexual's Guide to Capitalism and Socialism with a Key to the Scriptures at the Hampstead Theatre in London.
Katie Leung subsequently appeared in recurring roles as DC Blair Ferguson in the Alibi series Annika, the voice of Caitlyn in the Netflix series Arcane, and Ash in the Amazon Prime Video series The Peripheral.
In 2023, Katie Leung starred in the first season of Paramount+'s series adaptation of Simon Beckett's novel The Chemistry of Death.
In September 2024, Katie Leung joined the regular cast of Bridgerton as Lady Araminta Gun for its forthcoming fourth season.
Katie Leung delayed plans to go to art college and university to film Harry Potter and the Order of the Phoenix.
Katie Leung briefly studied painting at University of the Arts London before completing a photography degree at Edinburgh College of Art.
On 19 August 2018, Katie Leung participated in the wedding of her Harry Potter castmate Afshan Azad.
On 1 January 2023, for New Year's Day, Katie Leung revealed on Instagram that her son had been born the previous Halloween.
Katie Leung's pregnancy was worked into the second series of Annika, which she filmed prior to giving birth.