In 1975, The Royal Court commissioned O'Malley to write a play, which became
Once a Catholic. The play, directed by
Mike Ockrent, opened at the Royal Court in 1977 and later transferred to
Wyndham's Theatre, where it ran for over two years. In 1977 the play won awards from
The Evening Standard and
Plays & Players, and in 1978 O'Malley was the first winner of the
Susan Smith Blackburn Prize for women playwrights.
Once a Catholic has been performed on tours and at regional theatres in Britain, including the
Lyric Theatre, Belfast. In 1979 a production directed by Mike Ockrent was taken on a short tour of theatres in the US before opening at the
Helen Hayes Theatre in New York, where it closed after six performances. In 1987 the play was produced in
Los Angeles at The Celtic Arts Centre (An Claidheamh Soluis) in
North Hollywood, from which the author received the Hollywood Drama-Logue Critics Award for "outstanding achievement in theatre"; it was directed by
Joe Praml from which the director received the Hollywood Drama-Logue Critics Award for Direction; Morgan Walsh and David Farjeon received the Award for Acting. There have been productions in Australia, New Zealand, Ireland, Germany, and Belgium, and in 1991 in
Opole, Poland, at the Jan Kochanowski Theatre. In 1977 O'Malley wrote
Oy Vay Maria for BBC television, directed by
Richard Loncraine. It won a
Pye Television Award, was televised in
Israel, and produced as a stage play at the Liberal Jewish Synagogue,
St John's Wood in 1981 and the
Oldham Coliseum Theatre in 1996. In 1978 she wrote
Look Out...Here Comes Trouble for the
Royal Shakespeare Company at the
Donmar Warehouse, directed by
John Caird. Set in a
psychiatric hospital, it is an ensemble piece for fourteen actors, one of whom was
Maxine Audley who received a London Critics Award for her performance as Olive, a
clairvoyant. Other work includes
On the Shelf for television (1984) produced by Margaret Matheson, and
Talk of the Devil at the Watford Playhouse (1986) directed by
Bill Alexander. ==Personal life==