Bridgerton Season 4: Who Is Benedict's Love Interest Sophie Baek? All About Yerin Ha Cast Opposite Luke Thompson

Bridgerton Season 4 premiered on Netflix on January 29, and taking the story forward, the focus this time turned on Benedict Bridgerton (Luke Thompson) and his romantic journey with Sophie Baek (Yerin Ha). The 8-episode season explores a Cinderella-style arc adapted from An Offer From a Gentleman by Julia Quinn. The show has presented different love stories through its seasons, which are all connected by one thing - the Bridgerton family. And just like Penelope Featherington (Nicola Coughlan) and Colin Bridgerton (Luke Newton) in the previous season, its fourth installment turns the tables on Benedict Bridgerton's long-awaited love story, which promises romance, scandal, and transformation in equal measure. Among other things, Benedict's love interest

Sophie Baek gets introduced, and thus, actress Yerin Ha's casting is grabbing a lot of eyeballs. Before stepping into Benedict's next chapter, it is worth getting to know more about Yerin, and her character Sophie.

About Sophie Baek

We saw how Bridgerton Season 3 deepened multiple storylines, making way for its season four. From fractured friendships and secret identities to unexpected marriages and personal awakenings, the last chapter changed the emotional fabric of the Bridgerton universe. This brings us to a new character, Sophie Baek, whom Benedict meets at Violet Bridgerton's masquerade ball. She initially gets disguised as "the Lady in Silver." It is only later that we get to know that Sophie is a woman of humble status and complex history, working as a maid under harsh conditions. This makes their romance a class-defying and tension-filled story.The forbidden love theme continues, examining class barriers and personal growth. In Season 4 Part 1, a dramatic emotional turn takes place as Benedict makes an unexpected proposal to Sophie that raises questions rather than answers.

Who is Yerin Ha?

Actress Yerin Ha plays the character of Sophie Baek, the female lead of Season 4 and Benedict Bridgerton's primary love interest. Sophie Baek is called Sophie Beckett in the original book An Offer From a Gentleman, but is renamed to reflect Yerin's Korean heritage in the show.Yerin is an Australian actress born to South Korean parents. Her grandmother, Son Sook, is a well-known Korean actress and politician.

The 28-year-old began acting professionally around 2019 and landed roles in both Australian and international productions, including Reef Break (2019), Troppo (2022), Halo (2022–2024), Bad Behaviour (2023) and The Survivors (2025).She was named a Rising Star by the Casting Guild of Australia in 2021. Yerin was also included in Forbes 30 Under 30 Asia (Entertainment & Sports, 2025).Yerin is also a K-Beauty influencer and runs popular channels endorsing her skincare regimen.