In the movie Kill Bill vol. 1, Uma Thurman's name is not revealed. When she goes to Okinawa, you can see her name "Beatrix Kiddo" on the boarding pass. : r/MovieDetails
Kill Bill: Vol. 1 DVD (Extended Japanese Cut) (Japan)
KILL BILL VOL. 1 (Uma Thurman, Lucy Liu, Michael Madsen) Region 2 DVD | eBay
KILL BILL VOLUME 2 DVD PAL REGION 2 UK EDITION Uma Thurman, David Carradine | eBay
Kill Bill: Volume 1 Blu-ray (Blu-ray + DVD + Digital)