Jane Gurnett is probably most famous for her stint as Staff Nurse Rachel Longworth in the BBC's long running TV series "Casualty" between 1993 - 1996. However she has appeared in many popular British TV dramas. (IMDB listings for Jane)
In the following 4 clips, Jane Gurnett plays Nancy and this is where Joan Plowright kills her hubby in a tin bath.
Scene 1 DOWNLOAD