28d Irish Actress Born In Dublin 6,3, S???H?,??X
23a Side Gate into Pheonix PArk 7 A??T???
7d Itching to join the Royal Academy circle,6, R?R??C
19d Town in Ulster ?A??L???A??E? - must be castle something, but can't think of anything that fits, and I think that I have the other letters right.