Character: Lydia Nicholson
Actor: Kate Fleetwood
Episode: Casualties of War

DCS Foyle's god-daughter and the wayward offspring of his commanding officer in WW1. Ten years earlier, she made an unsuitable marriage and cut herself off from her family. Now she is deserted by her husband, orphaned when her parents were killed in the blitz and alone in the world with her troubled young son. At the end of her tether, she arrives in Hastings unannounced and desperate for her god-father's help.