Katie Leung (born August 8, 1987; pronounced [lœ:ŋ]) is a Scottish actress. She 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. Among British television audiences, Leung is known for her lead roles in the miniseries dramas One Child and Strangers and her supporting role in the police dramedy Annika.

Filmography

• 2025The Secret Letters of Mary Queen of Scots — Narrator
• Nightsleeper — Rachel Li
• The Chemistry of Death — Maggie Cassidy
• The Peripheral — Ash
• Annika — DC Blair Ferguson
• Arcane — Caitlyn (voice)
• 2021Locked Down — Natasha
• 2021The Promise — The Thief
• The Wheel of Time — Yasicca
• Bridgerton — Lady Araminta Gun
• Roadkill — Margaret Moore
• The Nest — Eleanor
• Chimerica — Liuli
• 2018Leading Lady Parts — Assistant
• Strangers — Lau Chen
• 2017T2 Trainspotting — Nurse
• 2017The Foreigner — Fan
• One Child — Mei
• Father Brown — Jia-Li Gerard
• Run — Ying
• 2011Harry Potter and the Deathly Hallows: Part 2 — Cho Chang
• 2010Harry Potter and the Deathly Hallows: Part 1 — Cho Chang
• 2009Harry Potter and the Half-Blood Prince — Cho Chang
• 2007Harry Potter and the Order of the Phoenix — Cho Chang
• 2005Harry Potter and the Goblet of Fire — Cho Chang
• Agatha Christie's Poirot — Hsui Tai

Appearances as themselves (1)

• Suite 305 with Lele Pons — Self - Guest