Yerin Ha (Korean: 하예린), born January 16, 1998, is a Korean-Australian actress raised in Sydney from a family of performers, including parents who met at drama school and a grandmother who encouraged bravery in her career.[1][3][5][6] She attended Kaywon High School of Arts in South Korea at age 15 for intensive performing arts training before graduating with a Bachelor of Fine Arts in Musical Theatre from Sydney's National Institute of Dramatic Art (NIDA) in 2018.[3][4] Ha launched her career in theater, portraying Maurice in the Sydney Theatre Company's 2019 production of *Lord of the Flies* alongside Mia Wasikowska and Eliza Scanlen.[1][2][3] Her screen debut came with a recurring role in the series *Reef Break* (2019), followed by her casting as Kwan Ha, a new character, in Steven Spielberg-produced *Halo* (2022–2024, seasons 1–2, 17 episodes).[1][2][3] She made her feature film debut in *Sissy* (2022), which premiered at South by Southwest (SXSW), and appeared in ABC's *Troppo* (2022) as Ah Rah.[1][3] Named a rising star by the Casting Guild of Australia in 2021, Ha continued with prominent roles including Alice in the miniseries *Bad Behaviour* (2023, 4 episodes), Young Kasha Jinjo in *Dune: Prophecy* (2024, 4 episodes), and Mia Chang in *The Survivors* (2025, 6 episodes).[1][2] Her breakout came as Sophie Baek, the Cinderella-esque "Lady in Silver" and romantic lead opposite Benedict Bridgerton (Luke Thompson), in *Bridgerton* season 4 (2026, 8 episodes), which premiered to significant fanfare and elevated her profile as Netflix's newest leading lady.[1][2][3][4] At 28, Ha remains a sought-after talent with no new projects announced as of early 2026, though her bicultural identity informs her passionate advocacy in acting.[3]