Michelle Wai Sze-Nga (; born 24 November 1984) is a Hong Kong model and actress. For her performance in The Last Dance (2024), she won the Hong Kong Film Award for Best Actress and the Hundred Flowers Award for Best Actress.
Career Wai worked as a jewelry salesperson and a part-time model before entering the industry. In 2008, she was introduced by her modeling agency Jamcast to audition for a role in the television series Dressage To Win. She was successfully cast and subsequently signed as an artist with Emperor Entertainment Group, with Mani Fok Man-Hei serving as her manager.
Wai has since appeared in numerous films and television productions. She gained wider recognition for her performances in ViuTV series, and for her portrayal of Ho-yee in the 2021 rom-com Ready o/r Knot (), directed by Anselm Chan. She collaborated with Chan again for the sequel Ready o/r Rot (), which earned her a nomination for Best Actress at the 42nd Hong Kong Film Awards, marking her first nomination for a major acting award.
In 2024, Wai starred in The Last Dance, her third collaboration with Chan. The film was released in Hong Kong on 9 November, and Wai's lead performance was praised by viewers and critics. James Marsh of Deadline Hollywood hailed her as "the film’s true standout" and called the film "a genuine turning point in her career." Richard Kuipers of Variety called her "a particular standout as the troubled daughter whose frustrations and disappointments guide the story to a rousing finale." The film broke numerous box office records, grossing over HK$170 million (US$21.9 million) at the box office, making it the highest-grossing domestic film of all time in Hong Kong. Wai was named Best Actress by the Hong Kong Film Directors' Guild. In the same year, Wai attended the Japanese premiere of The Last Dance at the 37th Tokyo International Film Festival.
In 2025, Wai won Best Actress at the 43rd Hong Kong Film Awards for The Last Dance, marking her first Hong Kong Film Award win. She also won the Hundred Flowers Award for Best Actress, becoming the first Hong Kong actress in history to receive this honor. Wai also starred in Ciao UFO, directed by Patrick Leung. The film was released in Hong Kong on 19 March 2026, and Wai won Best Supporting Actress at the 44th Hong Kong Film Awards for her performance.
Personal life Wai grew up in Tai Ping Estate, Sheung Shui, Hong Kong. She has an older sister and a younger brother. Wai got engaged to her long-time boyfriend, aesthetic physician Kenley Chau, in 2024, and they married in 2025.
Name When Wai first entered the industry, her agency suggested she drop the "Wai" from her name and use "Sze-Nga" as her stage name, as there was already a singer named "Wai Sze" in the industry. After Wai Sze stepped away from the industry, the name "Sze-Nga" led to confusion with another artist, Shiga Lin (Lin Sze-nga). Wai eventually suggested to her agency that she resume using her real name, "Wai Sze-Nga."
Filmography Film Year Title Chinese title Role 2009Happily Ever After很想和你在一起Auyeung GoonnamTrick or Treat愛出貓Michelle2010Hot Summer Days全城熱戀熱辣辣ModelEx前度CeeGirl$囡囡Icy2011Love Is the Only Answer愛回家The Sorcerer and the White Snake白蛇傳說Bat Devil2012Lives in Flames起勢搖滾Triad紮職2013Selling Memories兜售回憶Hardcore Comedy重口味2014As the Light Goes Out救火英雄Keening Woman哭喪女Golden Chicken 3金雞SSSFa201512 Golden Ducks十二金鴨Insanity暴瘋語Paris Holiday巴黎假期2016Heaven in the Dark暗色天堂Show me your Love大手牽小手Battle of Life天火2017Cook Up a Storm鋒味江湖之決戰食神The Sleep Curse失眠Man Ching / Man Woon77 Heartbreaks諒他77次MandyAll My Goddess女人永遠是對的Ruo YanMeow喵星人Miss Lee2018A Beautiful MomentThe Leaker2019The White Storm 2: Drug LordsWalk with MeLion Rock Ciao UFO 再見UFO 2020Caught in Time202177 Heartwarmings Ready o/r Knot 不日成婚 Ho-yee 2023 Ready o/r Rot 不日成婚2 The Brotherhood of Rebel 紮職2 Yuet 2024 Customs Frontline 海關戰線 Katie The Last Dance 破·地獄 Yuet 2025 Sons of the Neon Night 風林火山 Little 2026 V 空枪 Lok Ka-yuen
Television YearTitleChinese titleRole2008Dressage to Win盛裝舞步愛作戰Michelle2010Love Thy Family愛回家Ming Wai2011Youth Melody青春旋律Unknown2012Happy Marshal歡樂元帥Elite Brigade火速救兵II2013RTHK非常平等任務 2013 – 少數RTHK私隱何價2015Love in Time還來得及再愛你2016The Jungle (四川卫视)怒放霸王花Survivor2020The Gutter歎息橋何樂兒 (Joyce)2023Food BuddiesKelly2024Margaret & David Tie瑪嘉烈與大衛系列 絲絲Diamond
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