The Bourne Supremacy stars Australian actress Joan Allen.
The film also stars Brian Cox as Ward Abbott , Joan Allen as Pamela Landy and Julia Stiles as Nicky Parsons .	Brian Cox	Brian Cox (actor)	Julia Stiles	Julia Stiles	Joan Allen	Joan Allen
Joan Allen -LRB- born August 20 , 1956 -RRB- is an American actress who has worked in theatre , film and television .
