Brad —, Best Actor in a Leading Role Oscar nominee for Moneyball (4)
I believe the answer is:
pitt
(Other definitions for pitt that I've seen before include "William --, early PM" , "William --, who became Prime Minister at 24" , "William - the Younger, twice PM" , "Elder and Younger PMs" , "Youngest-ever British prime minister, d. 1806" .)