Angora is the secondary antagonist of The Avengers episode The Hidden Tiger. She is sent with Peters and Dr Manx, to kill all board members of P.U.R.R.R., and then to take the entire country in hostage with their army of cats and become immensely rich.
Fortunately, Steed and Mrs Peel succeeded to fail their plan. Angora is finally knocked out by Emma Peel whereas she tried to flee.
She sent in jail offscreen (with Peters knocked out earlier by Steed before he was captured by Manx and Angora, whereas Manx died in a car accident).