Benedict Bridgerton spent three seasons avoiding the marriage mart, but a mysterious woman at a masquerade ball finally catches his attention in Season 4 of Bridgerton. Known initially as the Lady in Silver, she’s Sophie Baek, played by Australian actress Yerin Ha.Sophie’s story puts a Cinderella-inspired twist on the Netflix romance. Behind the glamorous disguise is a young woman whose circumstances are far removed from the privileged world Benedict inhabits. For Ha, the role is a major breakthrough—and one that introduces her to one of television’s most recognizable romantic franchises. WARNING: Potential spoilers ahead!Related: How Many Episodes Were in ‘Bridgerton’ Season 4? Here’s How the Season Was Split
Who Plays Sophie Baek in ‘Bridgerton’ Season 4?
Yerin Ha plays Sophie Baek, the central female character in Bridgerton Season 4. She stars opposite Luke Thompson, who returns as Benedict Bridgerton, the artistic second son of the Bridgerton family.
Sophie first captures Benedict’s imagination at his mother’s masquerade ball, where she appears in a silver gown. Benedict doesn’t know her identity, and their encounter launches the season’s central romance.
Unlike the aristocratic women Benedict usually meets, Sophie works as a maid. Their relationship must contend with the rigid class divisions of Regency-era society, making social status one of the biggest obstacles between them.Related: Can’t Get Enough ‘Bridgerton’? How to Read Julia Quinn’s ‘Bridgerton’ Books in Order
Who Is Yerin Ha?
River Callaway / Getty Images
Yerin Ha is an Australian actress of Korean heritage who has worked in television and theater. Before joining Bridgerton, she was best known for playing Kwan Ha in the Paramount+ science-fiction series Halo.
Ha also appeared in HBO’s Dune: Prophecy and performed in the Sydney Theatre Company’s production of Lord of the Flies. Her casting in Bridgerton was announced in 2024, placing her at the center of the show’s fourth season.
Why Was Sophie’s Last Name Changed From Beckett to Baek?
Readers of Julia Quinn’s Bridgerton novels may recognize Sophie by a different name. In An Offer from a Gentleman, the third book in the series, Benedict’s love interest is Sophie Beckett.
For the Netflix adaptation, showrunner Jess Brownell changed the character’s surname to Baek to reflect Ha’s Korean heritage. Brownell consulted the actress about the decision.
Ha explained to Netflix’s Tudum why the change was meaningful: “To make Sophie’s name fit someone who looks like me is really empowering.”
The adjustment preserves the character’s essential story while giving the television version an identity connected to the actress portraying her.
Who Is Sophie Baek in ‘Bridgerton’ Season 4?
Sophie is the illegitimate daughter of the late Lord Penwood, although her parentage and position within his household are complicated. After his death, she is forced into unpaid domestic service under her stepmother, Araminta Gun.
At Violet Bridgerton’s masquerade ball, Sophie briefly escapes those circumstances. Wearing a silver gown and mask, she meets Benedict, who becomes determined to find the captivating stranger.
Their relationship develops against the strict social hierarchy of the Regency era. Benedict belongs to one of London’s most prominent families, while Sophie has spent years working as a servant. Their attraction forces both to confront the expectations surrounding class, marriage and respectability.
The season adapts Quinn’s An Offer from a Gentleman, retaining its Cinderella-inspired premise while expanding Sophie’s experiences and relationships.Related: The Complete ‘Bridgerton’ Family Tree
How Old Is Yerin Ha?
Yerin Ha is widely reported to be 28 years old as of 2026, although published sources disagree about her exact birth date. IMDb and TV Insider list January 16, 1998, while some earlier entertainment profiles reported June 26, 1995.
Born in Sydney, Australia, Ha comes from a family with strong acting connections. Her maternal grandmother is acclaimed South Korean actress Son Sook, and her parents met while studying acting.
As a teenager, Ha moved to South Korea to attend the Kaywon High School of Arts before returning to Australia. She graduated from Sydney’s National Institute of Dramatic Art (NIDA) in 2018.
What Other Movies and TV Shows Has Yerin Ha Been In?
Before Bridgerton, Ha built a résumé across science fiction, drama and suspense. Her notable credits include:
Halo (2022–2024): Played Kwan Ha, a young survivor caught up in the conflict surrounding the Master Chief in Paramount+’s adaptation of the video game franchise. Bad Behaviour (2023): Played Alice in the Australian drama miniseries about the lasting consequences of bullying at an all-girls boarding school. Dune: Prophecy (2024): Appeared as Kasha Jinjo, a member of the Sisterhood in HBO’s prequel to the Dune films. The Survivors (2025): Played Mia Chang in Netflix’s Australian mystery series adapted from Jane Harper’s novel.Ha also appeared in Troppo and the 2022 horror-comedy film Sissy.Related: How To Watch All the ‘Bridgerton’ Sex Scenes—And What the Cast Has Said About Them
What Has Yerin Ha Said About Playing Sophie?
Netflix
Ha has spoken about identifying with Sophie’s determination and the obstacles she faces.
In a 2024 interview with Netflix’s Tudum, she explained that Sophie’s struggle with social status and her feelings for Benedict immediately interested her. She also discussed the character’s emotional defenses, describing how Sophie sometimes hides her feelings behind a figurative mask even when she isn’t wearing the Lady in Silver’s disguise.
The actress admitted that joining an established hit series initially felt intimidating, but said her new castmates made her feel welcome. That included Claudia Jessie, who plays Eloise, greeting her with a handmade crocheted bookmark.
When Did ‘Bridgerton’ Season 4 Come Out?
All eight episodes of Bridgerton Season 4 are now available on Netflix. The season premiered in two installments:
Part 1: January 29, 2026 — Episodes 1–4 Part 2: February 26, 2026 — Episodes 5–8The fourth season follows Benedict and Sophie’s romance from their masquerade-ball encounter through the complications created by their different social positions. Netflix confirms the season’s cast and release information in its official Season 4 guide.
Related: How ‘Bridgerton’ Season 4 Differs From the Julia Quinn Novel
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