Kay's success both a comedy writer and actress has seen her feature in some of the most iconic comedy series' in recent years, including Harry Enfield and Chums, The Young Ones, The Lenny Henry Show and Dead Ringers.

Other television credits include Mr Love, Hustle, North Square and New Tricks.

Kay has appeared in productions at the National Theatre, The Magistrate directed by Michael Rudman and Jacobovsky & The Colonel directed by Jonathan Lynn.

Kay's television success is only matched by her prolific radio career. As well as the creation of Audio Diaries, Kay has featured on many BBC Radio 4 productions, including The Alexei Sayle Show, series regular on Robin & Wendy's Wet Weekend, The Sardine Burial and The Moderniser.

In 1995 Kay shared a Writers’ Guild of Great Britain award with her co-writers for the television comedy series Harry Enfield and Chums, and created the critically acclaimed series Audio Diaries for Radio 4 which ran for three series

Television
Maggie Capstick, MR LOVE, Enigma/Warner Bros, Roy Battersby
Judith, SHALOM JOAN COLLINS, C4, Mandie Fletcher
Mrs Vixen, THE BEGGARS OPERA, BBC TV, Jonathan Miller
Trisha Tunstall, BROKEN NEWS, BBC TV, John Morton
Janie Reeves, HUSTLE, Kudos Film & TV, Minkie Spiro
Gertrude, DEAD RINGERS, BBC TV, Ben Fuller
Nurse, VIGO, Impact Pictures, Julian Temple
Various roles, TIME GENTLEMAN PLEASE, Avalon, Gareth Gwenlan
Christine Bould, NORTH SQUARE, Working Title, Phillippa Langsdale
Various, PEOPLE LIKE US, BBC TV, John Morton/Willy Smax
Wendy, BARKING, Channel X, Peter Boyd Maclean
Ann, DOES CHINA EXIST, BBC TV, Martin Dennis
Lynne Hardinge, INSPECTOR MORSE, Carlton TV, John Madden
Sandy, LAZARUS & DONGWALL, BBC TV, Bob Spiers
Isabel, AN AFFAIR IN MIND, BBC TV, Colin Luke
Daphne, A VERY PECULIAR PRACTICE, BBC TV, David Tucker
Carol Clark, BUDDY, BBC TV, Roger Tonge
Various roles, THE LENNY HENRY SHOW, BBC TV, Geoff Posner
Isobel, RUMPOLE OF THE BAILEY, BBC TV, Tony Smith
Cash, THE YOUNG ONES, BBC TV, Geoff Posner
Various roles, CARROT’S LIB (Series Regular), BBC TV, Geoff Posner
Hazel, HOME SWEET HOME, BBC TV , Mike Leigh
Miss Beecham, BIRTH OF A NATION, Central TV, Mike Newell
Sheena, NEW TRICKS, Wall to Wall TV, Graham Theakston

Theatre
Popham, THE MAGISTRATE, National Theatre, Michael Rudman
Cosette, JACOBOVSKY & THE COLONEL, National Theatre, Jonathan Lynn
Judith, DEVIL’S DISCIPLE, Birmingham Rep, Clive Perry
Sally, FIRE & BRIMBLE, Nottingham Playhouse, Sue Birtwhistle

Radio
Wendy, ROBIN & WENDY’S WET WEEKEND (4 SERIES REGULAR), BBC Radio 4, Mario Styliandes
Various roles, ALEXEI SAYLE SHOW, BBC Radio 4, Jo Clegg
Various roles, PEOPLE LIKE US, BBC Radio 2
Marlene, THE SARDINE BURIAL, BBC Radio 4, Jeremy Mortimer
Clare, THE MODERNISER, BBC Radio 4, Mairi Wilson
Sue Wallace, BECOMING THE ROSE, BBC Radio 4, Jeremy Mortimer
Sandy, OPERATION OXFORD, BBC Radio 4, Jeremy Mortimer
Dr Anstasia, THE SENSES, BBC Radio 4, David Tyler
Mrs Allensbury, WEEKENDING, BBC Radio 4, Liz Anstee