CREATE TABLE table_15523 ("Character" TEXT, "Original West End Cast" TEXT, "Original Broadway Cast" TEXT, "First UK Tour Cast" TEXT, "First US Tour Cast" TEXT)

Who was in the Original West End Cast when the Original Broadway Cast was audrie neenan?
SELECT "Original West End Cast" FROM table_15523 WHERE "Original Broadway Cast" = 'audrie neenan'
SELECT "Original West End Cast" FROM "table_15523" WHERE "Original Broadway Cast" = 'audrie neenan'