Loo Brealey (born 1979) is an English actress.

Born Louise Brealey in Bozeat blank">http://www.holby.tv/db/index.php?id=38,35,0,0,1,0, Northamptonshire, England. She studied at the _Dame Alice Harpur School, and later read history at Cambridge University before training at the Lee Strasberg Institute in New York City, and studying with clown guru Philippe Gaulier.

Auditioned for the role of Rose Tyler in "Doctor Who" (2005) but lost to Billie Piper.

Ex-partner of actor Bryan Dick.

Studied History at Cambridge University and also spent a year learning acting at the Lee Strasberg Institute in New York. She is an accomplished bell-ringer.