20 Things You Didn't Know About Serenity
15. Summer Glau Was Able To Use Her Dancing Skills
Summer Glau (who plays River Tam) used to be a dancer before a broken toe derailed her career. However, she was able to put her dancing skills to good use during filming.
You will notice that a lot of her scenes have an angelic, dancer-like quality, particularly her fight scene in the bar.
There is even a reference to this in the film - her brother Simon (played by Sean Maher) states that she “always loved to dance”.