Sarah Walker served as a writer and director for Hollyoaks. She directed 21 episodes of the show between 2005 and 2012, as well as the 2006 spin-off, Hollyoaks: In The City, whilst between 2011 and 2012 she wrote 4 episodes - one of which she also directed.
Besides Hollyoaks, Sarah has also directed for The Cut, Waterloo Road, The Dumping Ground, Wolfblood, Death in Paradise and A Discovery of Witness.