Wendy was educated at Grammar School and the the University of Cambridge. She acted with drama societies, then rep. and the Royal Shakespeare Company. On television, she appeared in many dramas for the BBC and ITV and interpersed with theatre and radio. She is also a qualified teacher of French and English. Wendy was married to actor John Cater and their daughter, Emma, appeared with Wendy in "The Doctors".

Upstairs, Downstairs

Shine on Harvey Moon

Doctor Who: The Ice Warriors

The Reckoning

Centre Play

Dalgliesh

恐怖の魔力/メドゥーサ・タッチ

Champions

Casualty

The Brides of Fu Manchu

Shadows

Lytton's Diary

Churchill's People

Stanley

Beloved Enemy

Time in Advance

City of Fear!

Harry's Kingdom

Liar!

Return of the Unknown

It's Dark Outside

The Carnforth Practice

Nobody's House