It wasn’t impossible to track this name down: I looked up the Vancouver Playhouse history for 1983-4 and there she was, one of the three writers of North Shore Live.
When she acted in this production in North Vancouver the night I went to see it, she caught her finger in a prop and had to be taken to hospital. The show did not go on, as there were only two actors playing the roles, with no understudies.
I met Nicola Cavendish once at the Queen Elizabeth Theatre. She is a very gracious lady.
I just wanted to honour her talent. Here is a clip of her stage presentation of Shirley Valentine: