|“||I'm a big historical-fiction fan. Anything written in the French Revolution, that kind of era, is so poignant. I got into history when I was 11 years old, and it all started with the Titanic. I'd read books in the library about it. Of course I've seen the movie, too—I don't think I've ever cried that much.||”|
– Katherine in an interview
Langford began studying acting after graduating from Perth Modern School, where she was a nationally ranked swimmer. 13 Reasons Why is her first major acting credit. Prior to that, she appeared in the short film Daughter that debuted at the 2016 Cannes Film Festival.
- Off-screen, she spends her downtime gleefully geeking out over history and sci-fi.
- Hannah Baker is her first major role.