Kath Fox (also Kath Shaughnessy) is a fictional character from the BBC medical drama Holby City, played by actress Jan Pearson. She first appeared in the series two episode "Knife Edge", broadcast on 23 December 1999. Kath arrives at Holby City hospital as a Ward Sister. She is characterised as a devout Catholic with high moral values and the over-protective mother of Danny Shaughnessy (Jeremy Edwards). Writers played off her strong faith, often making it centric to various dramatic plots they conjured up for her. Over a four-year period she became a tortured character who had been domestically abused by her husband Simon Shaughnessy (Andrew Dunn). The stigma of a divorce in her religion makes her feel unable to leave him.