Who Plays Rosamund Li in ‘Bridgerton’ Season 4? Meet Michelle Mao ...Saudi Arabia

The Ton has a new face to watch in Bridgerton Season 4, and she’s already making a name for herself on the marriage mart. As Benedict Bridgerton’s Cinderella-inspired love story unfolds, one of the young women hoping to secure a place among Mayfair’s most prestigious families is Rosamund Li, the ambitious eldest daughter of Lady Araminta Gun.Played by American actress Michelle Mao, Rosamund is determined to win her mother’s approval and make an advantageous match—even if that means setting her sights on Benedict himself. As Sophie Baek’s stepsister, Rosamund becomes an important part of the family drama at the heart of the season.If Mao looks familiar, you may have spotted her in several films and television projects before her arrival in the Ton. Here’s everything you need to know about Michelle Mao, her role in Bridgerton Season 4 and where you’ve seen her before.Related: The Complete Bridgerton Family Tree: Every Sibling, Spouse and Love Interest Explained

Who Is Michelle Mao?

Gilbert Flores / Getty Images

Michelle Mao is an American actress who has appeared in films including A Big Bold Beautiful Journey and Metal Lords, as well as television series such as Surfside Girls and Goosebumps.

Born in Nashville, Mao grew up in Hong Kong and Beijing before attending boarding school in England, where she discovered her love of theater. She later earned a bachelor’s degree from the University of California, Berkeley, and a master’s degree from Tsinghua University in Beijing, according to Shondaland.

Mao’s casting as Rosamund Li marks a major new chapter in her career, bringing her to one of Netflix’s most recognizable period dramas.

What Is Michelle Mao’s Role in Bridgerton Season 4?

Netflix

WARNING: Potential Spoilers Ahead!In Bridgerton Season 4, Mao plays Rosamund Li, the eldest daughter of Lady Araminta Gun (Katie Leung) and older sister to Posy Li (Isabella Wei). Beautiful, ambitious and eager to please her mother, Rosamund is determined to make a successful marriage and secure her place in society.

Her plans lead her to set her sights on Benedict Bridgerton (Luke Thompson), though his growing connection with Sophie Baek (Yerin Ha) complicates matters. Rosamund is also Sophie’s stepsister, placing her on the opposing side of the season’s central Cinderella-inspired romance.

Netflix describes Rosamund as her mother’s “most prized possession,” but Mao sees the relationship as more complicated than it first appears.

In Netflix’s official Season 4 cast guide, Mao explains, “Araminta loves Rosamund, but she’s put Rosamund in a gilded cage.” She adds that Araminta’s affection depends on Rosamund being perfect and making the right match, which helps explain why Rosamund is so focused on pleasing her mother. While her behavior toward Sophie can be cruel, she’s also navigating expectations that leave little room for her own desires.Related: ‘Bridgerton’ Fan-Favorite Matriarch Gets Her Own Spinoff Focusing on a Young Romance

What Has Michelle Mao Said About Bridgerton?

Mao has spoken openly about the experience of joining Bridgerton and playing a character viewers aren’t necessarily meant to like. In an interview with People, she described the role as a dream come true, explaining that she had been a fan of the series for years before landing the part.

“I was such a fan of Bridgerton from COVID, when it came out—it’s all we had,” she shared. “And I remember watching it and just thinking, ‘Whoa.’ It honestly, quite literally, was the first time I realized, maybe there is a chance that I could do a period piece.”

She also acknowledged that playing one of the season’s antagonists comes with its share of online criticism. Rather than taking the reaction entirely to heart, Mao has learned to see it as a sign that her performance is connecting with viewers: “I feel so free portraying this character that is unlikable, and she’s meant to be unlikable,” she told People.

Mao also said she was particularly excited to see the show incorporate Cantonese and cultural elements reflecting her heritage. “To speak Cantonese on the show and see all the little details in the interior decor that they have for the Penwoods reflect my culture, it was kind of surreal,” she said.

Where Have You Seen Michelle Mao Before?

Rosamund is one of her most prominent roles to date, but if Mao looks familiar, you may recognize her from several projects released before Bridgerton.

What’s Next for Michelle Mao?

Mao’s role in Bridgerton has introduced her to a much wider audience, and she’s made it clear that she sees the series as a starting point rather than a career destination. In her interview with People, Mao described the opportunities following her casting as a “blessing” and said she was grateful for the momentum the series had given her career.

Earlier this year, Mao appeared in the 2026 film Zi, which premiered at the Sundance Film Festival. She’s also listed among the cast of The Last of Us Season 3 as Yara, expected to premiere in 2027. The latter is a role to watch as the critically acclaimed HBO series ends its run.

For now, Rosamund’s place in the Bridgerton universe has put Mao firmly on viewers’ radars, and fans will be watching to see what comes next.Related: ‘Bridgerton’ Season 4 Marks a Disappointing First for the Franchise on Netflix

When Did Bridgerton Season 4 Come Out?

Bridgerton Season 4 premiered on Netflix in two parts in 2026. Part 1 debuted on Jan. 29, followed by Part 2 on Feb. 26.

The eight-episode season centers on Benedict Bridgerton and his romance with Sophie Baek, inspired by Julia Quinn’s third Bridgerton novel, An Offer From a Gentleman. Rosamund Li, played by Mao, is one of the new characters introduced as part of Sophie’s complicated family life.

Where Can You Watch Bridgerton?

All four seasons of Bridgerton are available to stream exclusively on Netflix. A subscription is required, and availability may vary by region.

Related: Bridgerton’s Season 5 Leads Confirmed: What We Know About the ‘Really Sexy Season’

This article was drafted with the assistance of AI and thoroughly reviewed, edited and fact-checked by Parade editors. See our complete AI Policy.

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