Director Vanessa Caswill expanded on the idea that historical accuracy and period authenticity was paramount. "We asked them to grow their underarm hair, because that would have been authentic, and not to have visible make-up because they wouldn't have worn any," she says. (Little Women Production Notes)
This miniseries was the only screen project in which Angela Lansbury acted in her 78 years on film that was directed by a woman.
Despite playing her older sister by 3 years, Maya Hawke (Jo March) is actually a year and a half younger than Kathryn Newton (Amy March)
Maya Hawke played a role previously played by Winona Ryder, her father's castmate from Reality Bites (1994), and her own castmate from Stranger Things (2016).
Jonah Hauer-King and Julian Morris played live-action versions of Disney Princes at some points in their careers. Morris appeared as Prince Phillip on Once Upon a Time (2011) and Hauer-King played Prince Eric in The Little Mermaid (2023).