Kay Desmond is the troubled daughter of Myra Desmond and sister to Alan Desmond.

First seen in (430) as Myra's overdeveloped teenage daughter. Arrested but not jailed for possession of drugs at the party thrown by Gloria Payne. Gives evidence against Myra at her trial. When she visits Myra in (455) she is in such bad shape that Myra decides to escape to help her get off drugs. Kay is over the worst by (465) so Myra leaves her with Wally Wallace and gives herself up. Kay returns in (524) to visit Myra in jail. Last credit at Myra's funeral (557).

Kay Desmond is played by Sallyann Bourne.