To adapt Sophie’s last name, bridgertonnetflix’s Jess Brownell asked Yerin Ha about Korean last names that begin with a B and settled on Baek. “It’s a really nice way for me to feel like the role is fit for me, rather than me having to fit a certain mold,” Ha says. “It’s amazing what it can do just in a psychological sense. So it means a lot that Jess did that for me.”