Joshua Hartnett Shares 'Unhelpful' Advice He Got From Matt Damon on Set of 'Oppenheimer'

Josh Hartnett said that he got “a lot of good advice” from Matt Damon on the set of Oppenheimer. However, some of his wisdom was not that helpful. The duo shared the screen in the 2023 blockbuster, and they got so close that Josh has taken to calling Matt by the nickname “Uncle Matt.” During