CREATE TABLE table_21947 ("Actor in original production" TEXT, "Actor required" TEXT, "GamePlan" TEXT, "FlatSpin" TEXT, "RolePlay" TEXT)

What RolePlay actor played the same role Alison Pargeter played in the original production?
SELECT "RolePlay" FROM table_21947 WHERE "Actor in original production" = 'Alison Pargeter'
SELECT "RolePlay" FROM "table_21947" WHERE "Actor in original production" = 'Alison Pargeter'