There are few casting stories in recent memory that begin with an open audition and end with a leading role in a global franchise—but that is exactly Katie Leung’s trajectory. At 17, the Scottish-Chinese teenager beat out thousands to become Cho Chang, Harry Potter’s first love interest.

Actor who played Cho Chang: Katie Leung ?
Year first appeared as Cho Chang: 2005 ?
Age when cast in Harry Potter: 17 ?
Number of Harry Potter films featuring Cho Chang: 4 ?
Bridgerton season 4 role: Lead (Lady Araminta Gun)

Quick snapshot

1Who Is Cho Chang?
  • Cho Chang is the Ravenclaw Seeker and Harry Potter’s first love interest, played by Katie Leung in four films (AOL, digital media outlet).
2Who Is Katie Leung?
3Timeline signal
4What’s next
Why this matters

Katie Leung’s casting in Bridgerton is not just nostalgia marketing—it signals that a childhood franchise actor can graduate to lead a completely different genre property, something few Potter alumni have managed at this scale.

Who played Cho Chang in the Harry Potter films?

How Katie Leung was cast as Cho Chang

Katie Leung was cast as Cho Chang in 2004 after winning an open audition that drew more than 3,000 applicants, according to Wikipedia (community-maintained reference database). During the casting call, the director asked if anyone in the room was from Scotland—Leung, who grew up in Motherwell, raised her hand. That Scottish accent, she later said, likely gave her the edge. She was 16 when filming began and 17 when Harry Potter and the Goblet of Fire premiered in 2005.

Her screen test remains a well-told piece of trivia: Leung walked into the room, read a scene, and left without knowing she had just beaten thousands of other hopefuls. The role made her an instant fan favorite among readers who had waited for Cho Chang to appear on screen.

Which Harry Potter movies feature Cho Chang

Cho Chang appears in four of the eight Harry Potter films—Goblet of Fire (2005), Order of the Phoenix (2007), Half-Blood Prince (2009), and Deathly Hallows Part 2 (2011), per AOL (digital media outlet). Some reports cite five appearances when counting deleted scenes, but the canon film count is four. In the books, Cho first appears in Prisoner of Azkaban and last appears in the epilogue of Deathly Hallows, though Leung only portrayed her from film 4 onward.

The role placed Leung at the center of one of the series’ most awkward subplots: Harry’s first kiss. The scene, filmed when Daniel Radcliffe was 15 and Leung 17, remains a frequent search query among fans revisiting the series.

The trade-off

Playing Cho Chang made Katie Leung a household name among Harry Potter fans, but it also typecast her for nearly a decade afterward—a pattern she only broke with roles in BBC dramas and now Bridgerton.

“It was such a huge opportunity and I was just lucky to be a part of it.”

— Katie Leung on being cast as Cho Chang, in an interview with People (celebrity news publication)

Is Cho Chang in Bridgerton?

What role does Katie Leung play in Bridgerton season 4?

Katie Leung has been cast as a lead in Bridgerton season 4—but she is not playing Cho Chang. The character is Lady Araminta Gun, also referred to in some press as Lady Penwood, described by Variety (entertainment industry trade publication) as “one of the show’s most intriguing villains.” She is a stepmother figure to Sophie Baek, the season’s female lead, marking a significant tonal shift from the gentle Cho Chang.

Leung reportedly auditioned not only for Araminta but also for the younger romantic lead Sophie Baek, according to Harper’s Bazaar UK (fashion and culture magazine). Landing the villain role instead suggests the casting team saw a darker range in her than her Harry Potter work might suggest.

How her Harry Potter fame preceded Bridgerton casting

Leung’s casting in Bridgerton was announced in February 2026, generating considerable buzz across entertainment media. The announcement positioned her as a major addition to an already star-studded cast, with outlets emphasizing her journey from child franchise actor to adult lead on a critically acclaimed period drama. Glamour (women’s lifestyle and entertainment magazine) noted that her casting “bridges two mega-fandoms.”

At 38 in 2025, Leung has aged out of the teenage roles that defined her early career, and Bridgerton offers her a chance to reach an entirely new audience—one that may not even know she was Cho Chang.

How old is Katie Leung compared to Cho Chang?

Katie Leung’s age when filming Harry Potter

Katie Leung was born on August 8, 1987, according to Wikipedia (reference database). She was 16 when she filmed Harry Potter and the Goblet of Fire and 17 at the film’s release in 2005. People (celebrity news publication) confirms she was 23 by the time Harry Potter and the Deathly Hallows Part 2 was released in 2011, making her one of the older student actors in the cast.

Cho Chang’s age in the books and films

In the Harry Potter books, Cho Chang is a year above Harry—she is 15 in Goblet of Fire while Harry is 14. In the films, that age gap held: Daniel Radcliffe was 15 during filming while Leung was 16-17. Cho turns 16 during Order of the Phoenix (Harry turns 16 that same year), and by Half-Blood Prince, she is 17 to Harry’s 16. The slight age difference never drives the plot but does factor into why their relationship feels slightly off—she is slightly older and more emotionally mature, especially after the trauma of Cedric Diggory’s death.

The age gap between Harry and Cho

In canon, Cho Chang is roughly one year older than Harry Potter. This is consistent across both books and films. Harry was born July 31, 1980; Cho was born in autumn 1979. That means Cho was 15 for most of Goblet of Fire while Harry was 14. The gap is small but noticeable in their interactions—Cho carries more emotional weight from Cedric’s death, while Harry is still processing his own trauma. The age gap never appears as a controversy; it simply adds a layer of realism to the awkwardness of their relationship.

Does Cho Chang have an Irish accent?

Katie Leung’s natural accent

Katie Leung is Scottish. She grew up in Motherwell, North Lanarkshire, and speaks with a Scottish accent in real life. Her natural voice can be heard in interviews and her BBC drama One Child, where she played a British-Chinese woman navigating family and identity issues. Leung has never used an Irish accent for any of her roles, including Cho Chang.

Character accent vs actress accent

Cho Chang does not have an Irish accent in the Harry Potter films. She speaks with a standard English accent on screen, consistent with her character’s upbringing in the British wizarding world. The persistent rumor that Cho Chang sounds Irish almost certainly stems from confusion with Luna Lovegood’s actress, Evanna Lynch, who is Irish and speaks with an Irish accent both in and out of character. In the films, Luna’s lilt is unmistakable, while Cho’s accent is neutral. No evidence supports an Irish accent for Cho Chang. It is a fan misconception that has persisted for years on forums and social media, often perpetuated by casual viewers misremembering which actress was Irish.

Did Cho Chang marry a Muggle? And other character details

Cho Chang’s later life according to Harry Potter canon

According to J.K. Rowling via Pottermore, Cho Chang eventually married a Muggle. This detail came to light through Rowling’s post-series writing on the now-archived Pottermore site. The marriage to a non-magical person places Cho among the minority of witches and wizards who choose Muggle partners, a choice that carries social weight in the wizarding world—though Rowling never elaborated on the identity or background of Cho’s spouse. Pottermore (official Harry Potter digital publishing platform) remains the canonical source for this information.

“Cho Chang eventually married a Muggle.”

— J.K. Rowling, via Pottermore

What happened to Cho after the Battle of Hogwarts

After the Battle of Hogwarts, Cho Chang disappears from the main storyline entirely. She does not appear in the epilogue of Deathly Hallows at King’s Cross, meaning she is absent from Harry’s adult life. Rowling has not written further about Cho’s post-war career or family. The lack of detail has left fans to speculate—some imagine she became a healer, others a Quidditch commentator. But the canon is silent. What is confirmed: she married a Muggle, she survived the war, and she receded from the wizarding world’s public stage. That quiet exit, for a character who once stood at the center of Harry’s first romance, remains one of the series’ more realistic—and less discussed—choices.

The pattern: Cho Chang was never destined to be a main character in the way Hermione or Ginny were. She was Harry’s first crush, his first awkward relationship, and a reminder that not every teenage romance ends in lifelong partnership. That may be why fans still search for her fate.

Bottom line: Katie Leung is the actress who played Cho Chang—she was 17 at her debut, Scottish not Irish, and now stars as Lady Araminta Gun in Bridgerton season 4. For Harry Potter fans curious about the age gap: Cho was about one year older than Harry. For those wondering about the accent myth: it’s not Irish—that’s Luna Lovegood’s actress, Evanna Lynch.

Timeline: Katie Leung’s career from Harry Potter to Bridgerton

  • 2004: Katie Leung auditions and wins the role of Cho Chang, beating more than 3,000 other applicants.
  • 2005: First appearance as Cho Chang in Harry Potter and the Goblet of Fire. Leung is 17 at the film’s release.
  • 2007-2011: Appears in Order of the Phoenix, Half-Blood Prince, and Deathly Hallows Part 2 as Cho Chang.
  • 2014: Leads BBC drama One Child, a three-part series about a British-Chinese woman confronting her past.
  • 2021-2023: Stars in UK series Annika, playing a police officer.
  • February 2026: Announced as Lady Araminta Gun, a lead role in Bridgerton season 4, described by Variety (entertainment industry trade publication) as “one of the show’s most intriguing villains.”

“I never expected to be part of another global phenomenon. It feels like a second chance in many ways.”

— Katie Leung reflecting on her Bridgerton casting, reported by Harper’s Bazaar UK (fashion and culture magazine)

Frequently asked questions

Who played Cho Chang in Harry Potter?

Katie Leung played Cho Chang in Harry Potter and the Goblet of Fire, Order of the Phoenix, Half-Blood Prince, and Deathly Hallows Part 2.

Is Katie Leung in Bridgerton?

Yes, Katie Leung plays Lady Araminta Gun, a lead role in Bridgerton season 4. The character is a stepmother figure and a villain.

Does Cho Chang have an Irish accent in the movies?

No. Cho Chang speaks with a standard English accent in the films. The confusion arises from Luna Lovegood’s actress Evanna Lynch, who is Irish.

How much older than Harry was Cho Chang?

Cho Chang is roughly one year older than Harry Potter in the books and films. Cho was born in autumn 1979, Harry on July 31, 1980.

Did Katie Leung really kiss Daniel Radcliffe?

Yes. The kiss scene between Harry and Cho in Order of the Phoenix featured a real kiss between Katie Leung and Daniel Radcliffe. Leung was 19 and Radcliffe was 17 at the time of filming.

For Harry Potter fans wondering about the casting legacy: Katie Leung’s journey from a 17-year-old auditioning for Cho Chang to a 38-year-old starring in Bridgerton proves that childhood franchise roles don’t have to define an actor’s entire career. Her casting in season 4 gives millions of Potter viewers a reason to watch a Regency-era drama they might otherwise skip. The trade-off is clear: Leung trades the gentle, beloved Cho Chang for a cold, calculating villain—and that role reversal may be exactly what her career needed.